CAT Practice Question and Answer
8Q: Soil erosion on hillslopes can be checked by 4493 05b5cc67ee4d2b4197774c26a
5b5cc67ee4d2b4197774c26a- 1Terrace cultivationtrue
- 2Contour ploughingfalse
- 3Afforestationfalse
- 4Strip croppingfalse
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Answer : 1. "Terrace cultivation"
Explanation :
Answer: A) Terrace cultivation Explanation: Hence, soil erosion on hillslopes can be checked by Terrace cultivation.
Q: The concept of Economic planning in India is derived from ________. 4491 05b5cc6fbe4d2b4197774f0c4
5b5cc6fbe4d2b4197774f0c4- 1Russiatrue
- 2Australiafalse
- 3USAfalse
- 4UKfalse
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Answer : 1. "Russia"
Explanation :
Answer: A) Russia Explanation:
Q: Essential Part for the given word from the following options. Respiration 4482 05b5cc6fee4d2b4197774f10c
5b5cc6fee4d2b4197774f10c- 1Oxygentrue
- 2Carbon monoxidefalse
- 3Mouthfalse
- 4Circulationfalse
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Answer : 1. "Oxygen"
Explanation :
Answer: A) Oxygen Explanation: A person or animal must take in oxygen for respiration to occur. A mouth (choice a) is not essential because breathing can occur through the nose. Choices b and d are clearly not essential and can be ruled out.
Q: A and B runs around a circular track. A beats B by one round or 10 minutes. In this race, they had completed 4 rounds. If the race was only of one round, find the A's time over the course: 4461 05b5cc7d0e4d2b419777511e0
5b5cc7d0e4d2b419777511e0- 18 minfalse
- 27.5 mintrue
- 312.5 minfalse
- 412 minfalse
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Answer : 2. "7.5 min"
Explanation :
Answer: B) 7.5 min Explanation: B runs around the track in 10 min. i.e , Speed of B = 10 min per round Therefore, A beats B by 1 round Time taken by A to complete 4 rounds = Time taken by B to complete 3 rounds = 30 min Therefore, A's speed = 30/4 min per round = 7.5 min per round Hence, if the race is only of one round A's time over the course = 7 min 30 sec
Q: Central processing unit is combination of 4457 05b5cc61ee4d2b4197774b76f
5b5cc61ee4d2b4197774b76f- 1Arithmetic and Control unittrue
- 2Control and Output unitfalse
- 3Control and Storage unitfalse
- 4Arithmetic logic and input unitfalse
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Answer : 1. "Arithmetic and Control unit"
Explanation :
Answer: A) Arithmetic and Control unit Explanation:
Q: Five men and nine women can do a piece of work in 10 days. Six men and twelve women can do the same work in 8 days. In how many days can three men and three women do the work ? 4437 05b5cc6e1e4d2b4197774ebbb
5b5cc6e1e4d2b4197774ebbb- 118 daysfalse
- 220 daystrue
- 316 daysfalse
- 414 daysfalse
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Answer : 2. "20 days"
Explanation :
Answer: B) 20 days Explanation: (5m + 9w)10 = (6m + 12w)8 => 50m + 90w = 48w + 96 w => 1m = 3w 5m + 9w = 5m + 3m = 8m 8 men can do the work in 10 days. 3m +3w = 3m + 1w = 4m So, 4 men can do the work in (10 x 8)/4 = 20 days.
Q: The present average age of a family of five members is 26 years. If the present age of the youngest member in the family is ten years, then what was the average age of the family at the time of the birth of the youngest member ? (Assume no death occurred in the family since the birth of the youngest) 4434 05b5cc6e7e4d2b4197774ed8d
5b5cc6e7e4d2b4197774ed8d- 119 yearsfalse
- 216 yearsfalse
- 318 yearsfalse
- 420 yearstrue
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Answer : 4. "20 years"
Explanation :
Answer: D) 20 years Explanation: Present total age of the members = 26(5) = 130 years. Present age of the youngest member = 10 years Present total age of the remaining four members = 130 -10 = 120 years Their average age at the time of the birth of the youngest member = 120-4×104 = 30 - 10 = 20 years.
Q: A can write 32 pages in 6 hours and B can write 40 pages in 5 hours. If they write together, in how many hours they can write 110 pages ? 4433 05b5cc711e4d2b4197774f3c8
5b5cc711e4d2b4197774f3c8- 17 hrsfalse
- 26 hrs 10 minfalse
- 35 hrs 25minfalse
- 48 hrs 15 mintrue
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Answer : 4. "8 hrs 15 min"
Explanation :
Answer: D) 8 hrs 15 min Explanation: A can write in 1hour = 32/6 pages Similarly, B in 1 hour = 40/5 pages Together (A+B) in 1 hour = 32/6 + 40/5 = 40/3 So, A+B write 40/3 pages in 1 hour A+B write 110 pages in (3/40) x 110 Hours = 8 hours 15 min.