PRELIMS 2017 REVISION TEST 42
Insights Revision Tests for Prelims 2017
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Insights Prelims 2017 REVISION Tests
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Question 1 of 20
1. Question
1 pointsFactors affecting ocean salinity are,
1. The salinity of water in the surface layer of oceans depend mainly on evaporation and precipitation.
2. Surface salinity is greatly influenced in coastal regions by the fresh water flow from rivers, and in polar regions by the processes of freezing and thawing of ice.
3. Wind, also influences salinity of an area by transferring water to other areas
Which of the above statements is/are correct?Correct
Solution: d)
Factors affecting ocean salinity are mentioned below:
(i) The salinity of water in the surface layer of oceans depend mainly on evaporation and precipitation.
(ii) Surface salinity is greatly influenced in coastal regions by the fresh water flow from rivers, and in polar regions by the processes of freezing and thawing of ice.
(iii) Wind, also influences salinity of an area by transferring water to other areas.
(iv) The ocean currents contribute to the salinity variations. Salinity, temperature and density of water are interrelated. Hence, any change in the temperature or density influences the salinity of an area.Incorrect
Solution: d)
Factors affecting ocean salinity are mentioned below:
(i) The salinity of water in the surface layer of oceans depend mainly on evaporation and precipitation.
(ii) Surface salinity is greatly influenced in coastal regions by the fresh water flow from rivers, and in polar regions by the processes of freezing and thawing of ice.
(iii) Wind, also influences salinity of an area by transferring water to other areas.
(iv) The ocean currents contribute to the salinity variations. Salinity, temperature and density of water are interrelated. Hence, any change in the temperature or density influences the salinity of an area. -
Question 2 of 20
2. Question
1 pointsAccording to Wegener, who gave continental drift theory, the movement responsible for the drifting of the continents was caused by
1. The polar-fleeing force
2. The tidal force
3. The convection currents
Which of the above is/are correct?Correct
Solution: b)
Wegener suggested that the movement responsible for the drifting of the continents was caused by pole-fleeing force and tidal force. The polar-fleeing force relates to the rotation of the earth. You are aware of the fact that the earth is not a perfect sphere; it has a bulge at the equator. This bulge is due to the rotation of the earth. The second force that was suggested by Wegener—the tidal force—is due to the attraction of the moon and the sun that develops tides in oceanic waters. Wegener believed that these forces would become effective when applied over many million years. However, most of scholars considered these forces to be totally inadequate.Incorrect
Solution: b)
Wegener suggested that the movement responsible for the drifting of the continents was caused by pole-fleeing force and tidal force. The polar-fleeing force relates to the rotation of the earth. You are aware of the fact that the earth is not a perfect sphere; it has a bulge at the equator. This bulge is due to the rotation of the earth. The second force that was suggested by Wegener—the tidal force—is due to the attraction of the moon and the sun that develops tides in oceanic waters. Wegener believed that these forces would become effective when applied over many million years. However, most of scholars considered these forces to be totally inadequate. -
Question 3 of 20
3. Question
1 pointsWhen the availability of water in different storages and reservoirs like aquifers, lakes, reservoirs, etc. falls below what the precipitation can replenish, then it is called as
Correct
Solution: b)
Types of Droughts
Meteorological Drought : It is a situation when there is a prolonged period of inadequate rainfall marked with mal-distribution of the same over time and space.
Agricultural Drought : It is also known as soil moisture drought, characterised by low soil moisture that is necessary to support the crops, thereby resulting in crop failures. Moreover, if an area has more than 30 per cent of its gross cropped area under irrigation, the area is excluded from the drought-prone category.
Hydrological Drought : It results when the availability of water in different storages and reservoirs like aquifers, lakes, reservoirs, etc. falls below what the precipitation can replenish.
Ecological Drought : When the productivity of a natural ecosystem fails due to shortage of water and as a consequence of ecological distress, damages are induced in the ecosystem. Various parts of India experience these droughts recurrently which result in some serious socio-economic and ecological problems.Incorrect
Solution: b)
Types of Droughts
Meteorological Drought : It is a situation when there is a prolonged period of inadequate rainfall marked with mal-distribution of the same over time and space.
Agricultural Drought : It is also known as soil moisture drought, characterised by low soil moisture that is necessary to support the crops, thereby resulting in crop failures. Moreover, if an area has more than 30 per cent of its gross cropped area under irrigation, the area is excluded from the drought-prone category.
Hydrological Drought : It results when the availability of water in different storages and reservoirs like aquifers, lakes, reservoirs, etc. falls below what the precipitation can replenish.
Ecological Drought : When the productivity of a natural ecosystem fails due to shortage of water and as a consequence of ecological distress, damages are induced in the ecosystem. Various parts of India experience these droughts recurrently which result in some serious socio-economic and ecological problems. -
Question 4 of 20
4. Question
1 points“These clouds are formed at high altitudes (8,000 – 12,000m). They are thin and detached clouds having a feathery appearance. They are always white in colour.”
The above description refers to which type of cloud?Correct
Solution: b)
Clouds
Cloud is a mass of minute water droplets or tiny crystals of ice formed by the condensation of the water vapour in free air at considerable elevations. As the clouds are formed at some height over the surface of the earth, they take various shapes. According to their height, expanse, density and transparency or opaqueness clouds are grouped under four
types : (i) cirrus; (ii) cumulus; (iii) stratus; (iv) nimbus.
Cirrus
Cirrus clouds are formed at high altitudes (8,000 – 12,000m). They are thin and detatched clouds having a feathery appearance. They are always white in colour.
Cumulus Cumulus clouds look like cotton wool. They are generally formed at a height of 4,000 – 7,000 m. They exist in patches and can be seen scattered here and there. They have a flat base.
Stratus
As their name implies, these are layered clouds covering large portions of the sky. These clouds are generally formed either due to loss of heat or the mixing of air masses with different temperatures.
Nimbus
Nimbus clouds are black or dark gray. They form at middle levels or very near to the surface of the earth. These are extremely dense and opaque to the rays of the sun. Sometimes, the clouds are so low that they seem to touch the ground. Nimbus clouds are shapeless masses of thick vapour.Incorrect
Solution: b)
Clouds
Cloud is a mass of minute water droplets or tiny crystals of ice formed by the condensation of the water vapour in free air at considerable elevations. As the clouds are formed at some height over the surface of the earth, they take various shapes. According to their height, expanse, density and transparency or opaqueness clouds are grouped under four
types : (i) cirrus; (ii) cumulus; (iii) stratus; (iv) nimbus.
Cirrus
Cirrus clouds are formed at high altitudes (8,000 – 12,000m). They are thin and detatched clouds having a feathery appearance. They are always white in colour.
Cumulus Cumulus clouds look like cotton wool. They are generally formed at a height of 4,000 – 7,000 m. They exist in patches and can be seen scattered here and there. They have a flat base.
Stratus
As their name implies, these are layered clouds covering large portions of the sky. These clouds are generally formed either due to loss of heat or the mixing of air masses with different temperatures.
Nimbus
Nimbus clouds are black or dark gray. They form at middle levels or very near to the surface of the earth. These are extremely dense and opaque to the rays of the sun. Sometimes, the clouds are so low that they seem to touch the ground. Nimbus clouds are shapeless masses of thick vapour. -
Question 5 of 20
5. Question
1 pointsConsider the following statements about “Plant Succession” :
1. It is a directional nonseasonal cumulative change in the types of plant species that occupy a given area through time.
2. Succession begins only when an area is made partially or completely devoid of vegetation because of a disturbance
Which of the following is/are true in this connection?
Correct
Solution: C
Many plant communities are not self-sustaining. A field in the temperate deciduous forest biome will remain a field only as long as it is grazed by animals or mowed regularly. If these factors are eliminated, the balance tips in favor of other species. The newcomers will, in turn, establish conditions that no longer favor them but promote the growth of still other species. The revered naturalist and writer, Henry David Thoreau, called this process succession.
Primary Plant Succession
The process of plant succession begins just as soon as a land area capable of supporting plant life is formed. Some examples:
accumulation of sand dunes at the edge of the ocean or a lake
cooling of a lava flow
exposure of rock by a retreating glacier
Secondary Plant Succession
Lumbering, farming, fires, and hurricanes interrupt the process of succession by removing the dominant plants in the community. Their elimination sets the stage for a new succession to begin.
The many abandoned farms in New England illustrate this. People often wonder why our pioneers built stone walls through the woods. The answer is that they did not. The walls in the woods today once marked the boundaries of fields and pastures, but when cultivation and grazing ceased, a secondary succession began.
The grass of abandoned fields soon became invaded by low-growing, herbaceous species like plantains, and golden rods.These were quickly followed by woody shrubs like the common juniper, blueberries and gray-stemmed dogwood
Soon sun-loving gray birch, poplars, and Eastern red cedar (“old-field cedar”) became established.
White pines or, in sandy well-drained locations, oaks have followed.
These will persist until some disturbance such as fire, hurricanes, or lumbering open up the land, and the process of secondary succession begins again.
In general, plant succession is a reflection of the increasing efficiency of the community at intercepting the energy of the sun and converting it into chemical energy. As one stage of succession follows another,
the biomass of the community increases. This is the outcome of the increasing amount of
net productivity — calories stored by the plant community.
This, in turn, provides calories for a larger community of consumers.
As succession continues, the diversity of species in the community increases — at least for a time.
When the system approaches its climax, the rate of increase in net productivity of the plants is consumed by its own heterotrophs.
The system comes into equilibrium and reaches peak efficiency at channeling the energy of the sun into the food web of the communityIncorrect
Solution: C
Many plant communities are not self-sustaining. A field in the temperate deciduous forest biome will remain a field only as long as it is grazed by animals or mowed regularly. If these factors are eliminated, the balance tips in favor of other species. The newcomers will, in turn, establish conditions that no longer favor them but promote the growth of still other species. The revered naturalist and writer, Henry David Thoreau, called this process succession.
Primary Plant Succession
The process of plant succession begins just as soon as a land area capable of supporting plant life is formed. Some examples:
accumulation of sand dunes at the edge of the ocean or a lake
cooling of a lava flow
exposure of rock by a retreating glacier
Secondary Plant Succession
Lumbering, farming, fires, and hurricanes interrupt the process of succession by removing the dominant plants in the community. Their elimination sets the stage for a new succession to begin.
The many abandoned farms in New England illustrate this. People often wonder why our pioneers built stone walls through the woods. The answer is that they did not. The walls in the woods today once marked the boundaries of fields and pastures, but when cultivation and grazing ceased, a secondary succession began.
The grass of abandoned fields soon became invaded by low-growing, herbaceous species like plantains, and golden rods.These were quickly followed by woody shrubs like the common juniper, blueberries and gray-stemmed dogwood
Soon sun-loving gray birch, poplars, and Eastern red cedar (“old-field cedar”) became established.
White pines or, in sandy well-drained locations, oaks have followed.
These will persist until some disturbance such as fire, hurricanes, or lumbering open up the land, and the process of secondary succession begins again.
In general, plant succession is a reflection of the increasing efficiency of the community at intercepting the energy of the sun and converting it into chemical energy. As one stage of succession follows another,
the biomass of the community increases. This is the outcome of the increasing amount of
net productivity — calories stored by the plant community.
This, in turn, provides calories for a larger community of consumers.
As succession continues, the diversity of species in the community increases — at least for a time.
When the system approaches its climax, the rate of increase in net productivity of the plants is consumed by its own heterotrophs.
The system comes into equilibrium and reaches peak efficiency at channeling the energy of the sun into the food web of the community -
Question 6 of 20
6. Question
1 pointsConsider the following statements about cyclones
1. The energy to the tropical cyclone comes from the latent heat released by the warm moist air.
2. Hence, with the increase in distance from the sea, the force of the cyclone decreases.
Which of the above statements is/are correct?Correct
Solution: c)
Consequences of Tropical Cyclones
The energy to the tropical cyclone comes from the latent heat released by the warm moist air. Hence, with the increase in distance from the sea, the force of the cyclone decreases. In India, the force of the cyclone decreases with increase in distance from the Bay of Bengal and the Arabian Sea. So, the coastal areas are often struck by severe cyclonic storms with an average velocity of 180 km/h. Often, this results in abnormal rise in the sea level known as Storm Surge.Incorrect
Solution: c)
Consequences of Tropical Cyclones
The energy to the tropical cyclone comes from the latent heat released by the warm moist air. Hence, with the increase in distance from the sea, the force of the cyclone decreases. In India, the force of the cyclone decreases with increase in distance from the Bay of Bengal and the Arabian Sea. So, the coastal areas are often struck by severe cyclonic storms with an average velocity of 180 km/h. Often, this results in abnormal rise in the sea level known as Storm Surge. -
Question 7 of 20
7. Question
1 pointsThe following forms of relationships exist between man and his environment according to the development of geographical thought –
1. Environmental determinism
2. Possibilism
3. Neo-determinismThe correct sequence of the development of these forms of relationships is:
Correct
Solution: B
Throughout the study of geography, there have been a number of different approaches to explaining the development of the world’s societies and cultures. One that received much prominence in geographic history but has declined in recent decades of academic study is environmental determinism.
Environmental determinism is the belief that the environment (most notably its physical factors such as landforms and/or climate) determines the patterns of human culture and societal development. Environmental determinists believe that it is these environmental, climatic, and geographical factors alone that are responsible for human cultures and individual decisions and/or social conditions have virtually no impact on cultural development.
The main argument of environmental determinism states that an area’s physical characteristics like climate have a strong impact on the psychological outlook of its inhabitants. These varied outlooks then spread throughout a population and help define the overall behavior and culture of a society. For instance it was said that areas in the tropics were less developed than higher latitudes because the continuously warm weather there made it easier to survive and thus, people living there did not work as hard to ensure their survival.
Another example of environmental determinism would be the theory that island nations have unique cultural traits solely because of their isolation from continental societies.
Possibilism in cultural geography is the theory that the environment sets certain constraints or limitations, but culture is otherwise determined by social conditions. In Cultural ecology Marshall Sahlins used this concept in order to develop alternative approaches to the environmental determinism dominant at that time in ecological studies. Theory by Strabo in 64 BC that we, humans, can make things happen by our own intelligence over time. Strabo cautioned against the assumption that nature and actions of humans were determined by the physical environment they inhabited. He observed that humans were the active elements in a human-environmental partnership.
The controversy between geographical possibilism and determinism might be considered as one of (at least) three dominant epistemologic controversies of contemporary geography. The other two controversies are the “debate between neopositivists and neokantians about the “exceptionalism” or the specificity of geography as a science the contention between Mackinder and Kropotkin about what is – or should be – geography.”
Possibilism in geography is, thus, considered as a distinct approach to geographical knowledge, directly opposed to geographical determinism.Incorrect
Solution: B
Throughout the study of geography, there have been a number of different approaches to explaining the development of the world’s societies and cultures. One that received much prominence in geographic history but has declined in recent decades of academic study is environmental determinism.
Environmental determinism is the belief that the environment (most notably its physical factors such as landforms and/or climate) determines the patterns of human culture and societal development. Environmental determinists believe that it is these environmental, climatic, and geographical factors alone that are responsible for human cultures and individual decisions and/or social conditions have virtually no impact on cultural development.
The main argument of environmental determinism states that an area’s physical characteristics like climate have a strong impact on the psychological outlook of its inhabitants. These varied outlooks then spread throughout a population and help define the overall behavior and culture of a society. For instance it was said that areas in the tropics were less developed than higher latitudes because the continuously warm weather there made it easier to survive and thus, people living there did not work as hard to ensure their survival.
Another example of environmental determinism would be the theory that island nations have unique cultural traits solely because of their isolation from continental societies.
Possibilism in cultural geography is the theory that the environment sets certain constraints or limitations, but culture is otherwise determined by social conditions. In Cultural ecology Marshall Sahlins used this concept in order to develop alternative approaches to the environmental determinism dominant at that time in ecological studies. Theory by Strabo in 64 BC that we, humans, can make things happen by our own intelligence over time. Strabo cautioned against the assumption that nature and actions of humans were determined by the physical environment they inhabited. He observed that humans were the active elements in a human-environmental partnership.
The controversy between geographical possibilism and determinism might be considered as one of (at least) three dominant epistemologic controversies of contemporary geography. The other two controversies are the “debate between neopositivists and neokantians about the “exceptionalism” or the specificity of geography as a science the contention between Mackinder and Kropotkin about what is – or should be – geography.”
Possibilism in geography is, thus, considered as a distinct approach to geographical knowledge, directly opposed to geographical determinism. -
Question 8 of 20
8. Question
1 pointsConsider the following statements
1. These volcanoes are characterised by eruptions of cooler and more viscous lavas than basalt.
2. These volcanoes often result in explosive eruptions.
3. Along with lava, large quantities of pyroclastic material and ashes find their way to the ground.
The above characters best describe which of the following type of volcanoes?Correct
Solution: c)
Composite Volcanoes
These volcanoes are characterised by eruptions of cooler and more viscous lavas than basalt. These volcanoes often result in explosive eruptions. Along with lava, large quantities of pyroclastic material and ashes find their way to the ground. This material accumulates in the vicinity of the vent openings leading to formation of layers, and this makes the mounts appear as composite volcanoes.Incorrect
Solution: c)
Composite Volcanoes
These volcanoes are characterised by eruptions of cooler and more viscous lavas than basalt. These volcanoes often result in explosive eruptions. Along with lava, large quantities of pyroclastic material and ashes find their way to the ground. This material accumulates in the vicinity of the vent openings leading to formation of layers, and this makes the mounts appear as composite volcanoes. -
Question 9 of 20
9. Question
1 pointsWhich of the following sources help in studying about the interior of the earth?
1. Meteors that at times reach the earth
2. Gravitation
3. Magnetic Field
4. Seismic Activity
Select the correct answer using the codes belowCorrect
Solution: d)
Indirect Sources
Analysis of properties of matter indirectly provides information about the interior. We know through the mining activity that temperature and pressure increase with the increasing distance from the surface towards the interior in deeper depths. Moreover, it is also known that the density of the material also increases with depth. It is possible to find the rate of change of these characteristics. Knowing the total thickness of the earth, scientists have estimated the values of temperature, pressure and the density of materials at different depths. The details of these characteristics with reference to each layer of the interior are discussed later in this chapter.Another source of information are the meteors that at times reach the earth. However, it may be noted that the material that becomes available for analysis from meteors, is not from the interior of the earth. The material and the structure observed in the meteors are similar to that of the earth. They are solid bodies developed out of materials same as, or similar to, our planet. Hence, this becomes yet another source of information about the interior of the earth.
The other indirect sources include gravitation, magnetic field, and seismic activity. The gravitation force (g) is not the same at different latitudes on the surface. It is greater near the poles and less at the equator. This is because of the distance from the centre at the equator being greater than that at the poles. The gravity values also differ according to the mass of material. The uneven distribution of mass of material within the earth influences this value. The reading of the gravity at different places is influenced by many other factors. These readings differ from the expected values. Such a difference is called gravity anomaly. Gravity anomalies give us information about the distribution of mass of the material in the crust of the earth. Magnetic surveys also provide information about the distribution of magnetic materials in the crustal portion, and thus, provide information about the distribution of materials in this part. Seismic activity is one of the most important sources of information about the interior of the earthIncorrect
Solution: d)
Indirect Sources
Analysis of properties of matter indirectly provides information about the interior. We know through the mining activity that temperature and pressure increase with the increasing distance from the surface towards the interior in deeper depths. Moreover, it is also known that the density of the material also increases with depth. It is possible to find the rate of change of these characteristics. Knowing the total thickness of the earth, scientists have estimated the values of temperature, pressure and the density of materials at different depths. The details of these characteristics with reference to each layer of the interior are discussed later in this chapter.Another source of information are the meteors that at times reach the earth. However, it may be noted that the material that becomes available for analysis from meteors, is not from the interior of the earth. The material and the structure observed in the meteors are similar to that of the earth. They are solid bodies developed out of materials same as, or similar to, our planet. Hence, this becomes yet another source of information about the interior of the earth.
The other indirect sources include gravitation, magnetic field, and seismic activity. The gravitation force (g) is not the same at different latitudes on the surface. It is greater near the poles and less at the equator. This is because of the distance from the centre at the equator being greater than that at the poles. The gravity values also differ according to the mass of material. The uneven distribution of mass of material within the earth influences this value. The reading of the gravity at different places is influenced by many other factors. These readings differ from the expected values. Such a difference is called gravity anomaly. Gravity anomalies give us information about the distribution of mass of the material in the crust of the earth. Magnetic surveys also provide information about the distribution of magnetic materials in the crustal portion, and thus, provide information about the distribution of materials in this part. Seismic activity is one of the most important sources of information about the interior of the earth -
Question 10 of 20
10. Question
1 pointsWhich of the following is true about Profundal zone?
Correct
Solution: A
The profundal zone is a very cold zone, such as an ocean or a lake, located below the range of effective light penetration. This is typically below the thermocline, the vertical zone in the water through which temperature drops rapidly. The lack of light in the profundal zone determines the type of biological community that can live in this region, which is distinctly different from the community in the overlying waters. The profundal zone is part of the aphotic zone.Incorrect
Solution: A
The profundal zone is a very cold zone, such as an ocean or a lake, located below the range of effective light penetration. This is typically below the thermocline, the vertical zone in the water through which temperature drops rapidly. The lack of light in the profundal zone determines the type of biological community that can live in this region, which is distinctly different from the community in the overlying waters. The profundal zone is part of the aphotic zone. -
Question 11 of 20
11. Question
1 pointsThe first fourteen letters of English alphabets are reversed. Find the 13th letter from the end
Correct
Solution: a
N M L K J I H G F E D C B A O P Q R S T U V W X Y Z
Incorrect
Solution: a
N M L K J I H G F E D C B A O P Q R S T U V W X Y Z
-
Question 12 of 20
12. Question
1 points6 numbers 1 to 6 are written front and back of 6 identical squares, with one number on each square, and are hinged together as shown in the figure given below. If they are folded to form a cube, what would be written on the face opposite the face on which 3 is written?
Correct
Solution: c
Incorrect
Solution: c
-
Question 13 of 20
13. Question
1 pointsStatements:
All cups are glasses.
Some glasses are bowls.
No Bowl is a plate
Conclusions:
- No cup is a plate.
- No glass is a plate.
- Some plates are bowls.
- Some cups are not glasses.
Which of the above conclusion is/are Correct?
Correct
Solution : d
Incorrect
Solution : d
-
Question 14 of 20
14. Question
1 pointsA, B, C, D, E, F, G go to library to study for unique number of hours each(maximum 10 hour) once a week and never go on the same day
- A goes on Monday and G on Friday
- B goes on Thursday
- D and E go on consecutive days
- A studies twice the time of E, C studies twice the time of A, D studies twice the time of C, B studies twice the time of F
- E goes on Wednesday and has least study time of 1 hour
- G has study time of 7 hours
Who studies on Saturday?
Correct
Solution: c
Sunday – C – 4 hour
Monday – A – 2 hour
Tuesday – D – 8 hour
Wednesday – E – 1 hour
Thursday – B – 6 hour
Friday – G – 7 hour
Saturday – F – 3 hour
Incorrect
Solution: c
Sunday – C – 4 hour
Monday – A – 2 hour
Tuesday – D – 8 hour
Wednesday – E – 1 hour
Thursday – B – 6 hour
Friday – G – 7 hour
Saturday – F – 3 hour
-
Question 15 of 20
15. Question
1 pointsA, B, C, D, E, F, G go to library to study for unique number of hours each(maximum 10 hour) once a week and never go on the same day
- A goes on Monday and G on Friday
- B goes on Thursday
- D and E go on consecutive days
- A studies twice the time of E, C studies twice the time of A, D studies twice the time of C, B studies twice the time of F
- E goes on Wednesday and has least study time of 1 hour
- G has study time of 7 hours
Maximum study hour is
Correct
Solution: a
Sunday – C – 4 hour
Monday – A – 2 hour
Tuesday – D – 8 hour
Wednesday – E – 1 hour
Thursday – B – 6 hour
Friday – G – 7 hour
Saturday – F – 3 hour
Incorrect
Solution: a
Sunday – C – 4 hour
Monday – A – 2 hour
Tuesday – D – 8 hour
Wednesday – E – 1 hour
Thursday – B – 6 hour
Friday – G – 7 hour
Saturday – F – 3 hour
-
Question 16 of 20
16. Question
1 pointsA, B, C, D, E, F, G go to library to study for unique number of hours each(maximum 10 hour) once a week and never go on the same day
- A goes on Monday and G on Friday
- B goes on Thursday
- D and E go on consecutive days
- A studies twice the time of E, C studies twice the time of A, D studies twice the time of C, B studies twice the time of F
- E goes on Wednesday and has least study time of 1 hour
- G has study time of 7 hours
Who among the below go on consecutive days?
Correct
Solution: b
Sunday – C – 4 hour
Monday – A – 2 hour
Tuesday – D – 8 hour
Wednesday – E – 1 hour
Thursday – B – 6 hour
Friday – G – 7 hour
Saturday – F – 3 hour
Incorrect
Solution: b
Sunday – C – 4 hour
Monday – A – 2 hour
Tuesday – D – 8 hour
Wednesday – E – 1 hour
Thursday – B – 6 hour
Friday – G – 7 hour
Saturday – F – 3 hour
-
Question 17 of 20
17. Question
1 pointsA, B, C, D, E, F, G go to library to study for unique number of hours each(maximum 10 hour) once a week and never go on the same day
- A goes on Monday and G on Friday
- B goes on Thursday
- D and E go on consecutive days
- A studies twice the time of E, C studies twice the time of A, D studies twice the time of C, B studies twice the time of F
- E goes on Wednesday and has least study time of 1 hour
- G has study time of 7 hours
How many hour does B study?
Correct
Solution: c
Sunday – C – 4 hour
Monday – A – 2 hour
Tuesday – D – 8 hour
Wednesday – E – 1 hour
Thursday – B – 6 hour
Friday – G – 7 hour
Saturday – F – 3 hour
Incorrect
Solution: c
Sunday – C – 4 hour
Monday – A – 2 hour
Tuesday – D – 8 hour
Wednesday – E – 1 hour
Thursday – B – 6 hour
Friday – G – 7 hour
Saturday – F – 3 hour
-
Question 18 of 20
18. Question
1 pointsThe angle between hour and minute hand at 4:44 pm is
Correct
Solution: d
Angle = Modulus of ( 11/2 * minute – 30 * hour) = 11/2 * 44 – 30 * 4 = 242 – 120 = 122
Incorrect
Solution: d
Angle = Modulus of ( 11/2 * minute – 30 * hour) = 11/2 * 44 – 30 * 4 = 242 – 120 = 122
-
Question 19 of 20
19. Question
1 pointsDeepika covered a 160 km distance from Bangalore to Mysore using 3 transportation modes. She drove a car at 90 km/hr for 40 minutes then, traveled in bus for 2 hours and covered next 88 km. She finally bycycled the remaining journey at 2.5 m/s speed
What is the speed of the bus?
Correct
Solution: c
Speed – Time Taken – Distance(km)
Bycycle 2.5 m/s – 4/3 – 12
Bus 44 km/hr – 2 – 88
Car 90 km/hr – 2/3 – 60
Incorrect
Solution: c
Speed – Time Taken – Distance(km)
Bycycle 2.5 m/s – 4/3 – 12
Bus 44 km/hr – 2 – 88
Car 90 km/hr – 2/3 – 60
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Question 20 of 20
20. Question
1 pointsDeepika covered a 160 km distance from Bangalore to Mysore using 3 transportation modes. She drove a car at 90 km/hr for 40 minutes then, traveled in bus for 2 hours and covered next 88 km. She finally bycycled the remaining journey at 2.5 m/s speed
What is the time taken to cover the distance?
Correct
Solution: a
Speed – Time Taken – Distance(km)
Bycycle 2.5 m/s – 4/3 – 12
Bus 44 km/hr – 2 – 88
Car 90 km/hr – 2/3 – 60
Incorrect
Solution: a
Speed – Time Taken – Distance(km)
Bycycle 2.5 m/s – 4/3 – 12
Bus 44 km/hr – 2 – 88
Car 90 km/hr – 2/3 – 60
Please consider negative marking and convert your score for 200 marks.
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