CAT Practice Question and Answer
8Q: Four persons can cross a bridge in 3,7,13,17 minutes.Only two can cross at a time.Find the minimum time taken by the four to cross the bridge ? 4849 05b5cc70ee4d2b4197774f36f
5b5cc70ee4d2b4197774f36f- 117 minutesfalse
- 220 minutestrue
- 334 minutesfalse
- 412 minutesfalse
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- SingleChoice
Answer : 2. "20 minutes"
Explanation :
Answer: B) 20 minutes Explanation: First send 17 and 7. After 7 minutes, 7 is at finish and 17 needs 10 more minutes to complete his travel. now send 13. After 10 minutes 17 reaches finish and 13 needs 3 more minutes to complete. now send 3. both 3 and 13 reach destination at the same time after 3 minutes. hence the time taken is 7+10+3=20 minutes.
Q: Rajeev start a business with Rs. 10000, Deepu joins him after 2 month with 20% more investment than Rajeev, after 2 month Shakti joins him with 40% less than Deepu. If the profit earned by them at the end of the year is equal to the twice of the difference between investment of Rajeev and ten times the investment of Shakti. Find the profit of Rajeev ? 4849 05b5cc6c6e4d2b4197774de2c
5b5cc6c6e4d2b4197774de2c- 150000false
- 248000false
- 338000true
- 440000false
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Answer : 3. "38000"
Explanation :
Answer: C) 38000 Explanation: Here from the given information, The ratio of investments of Rajeev, Deepu & Shakti is R : D : S = (10000 × 12) : (12000 × 10) : (7200 × 8) = 25 : 25 : 12 Now the Profit = 2 × (72000-10000) = 124000 Share of Rajeev = 124000 x 25/62 = 48000 Profit of Rajeev = 48000 - 10000 = 38000
Q: If log 64 = 1.8061, then the value of log 16 will be (approx)? 4813 05b5cc77ae4d2b41977750160
5b5cc77ae4d2b41977750160- 11.9048false
- 21.2040true
- 30.9840false
- 41.4521false
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Answer : 2. "1.2040"
Explanation :
Answer: B) 1.2040 Explanation: Given that, log 64 = 1.8061 i.e log43=1.8061 --> 3 log 4 = 1.8061 --> log 4 = 0.6020 --> 2 log 4 = 1.2040 ⇒log42=1.2040 Therefore, log 16 = 1.2040
Q: Karan started a business investing Rs 29000. After five months, Satish joined with a capital of Rs 18000. If at the end of the year, they earn a profit of Rs. 16970, then what will be the share of Satish in the profit ? 4773 05b5cc767e4d2b4197774fe36
5b5cc767e4d2b4197774fe36- 1Rs. 5422false
- 2Rs. 5489false
- 3Rs. 4511true
- 4Rs. 6145false
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Answer : 3. "Rs. 4511"
Explanation :
Answer: C) Rs. 4511 Explanation: Now as per question, Karan invested for 12 months and Satish invested for 7 months. So, Karan:Satish = (29000 x 12):(18000 x 7) = 348:126 = 58:21 Satish Ratio in profit will be= 16970×2179 = Rs. 4511
Q: The workers union decided to go on strike since the management was adamant and did not agree to their terms .The discussion had reached a /an--------. 4763 05b5cc73de4d2b4197774f963
5b5cc73de4d2b4197774f963- 1Climaxfalse
- 2impetusfalse
- 3impassetrue
- 4obstaclefalse
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Answer : 3. "impasse"
Explanation :
Answer: C) impasse Explanation: Impasse means, a situation in which no progress is possible, especially because of disagreement; a deadlock. So it is Impasse.
Q: Warm is to Hot as Not so Good is to 4755 05b5cc6aae4d2b4197774cf7a
5b5cc6aae4d2b4197774cf7a- 1Averagefalse
- 2Fairfalse
- 3Not so badfalse
- 4Worsetrue
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Answer : 4. "Worse"
Explanation :
Answer: D) Worse Explanation: Warm and hot are in the same meaning sense , so not so good is same as worse in meaning.
Q: The largest measuring cylinder that can accurately fill 3 tanks of capacity 98, 182 and 266 litres each, is of capacity ? 4753 05b5cc72ce4d2b4197774f73c
5b5cc72ce4d2b4197774f73c- 17 ltsfalse
- 214 ltstrue
- 398 ltsfalse
- 442 ltsfalse
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Answer : 2. "14 lts"
Explanation :
Answer: B) 14 lts Explanation: To know the the measuring cylinder that can fill all the given capacities , they must be divisible by the required number. 98,182,266 all are divisible by 14 So 14 litres is the largest cylinder that can fill all the given cylinders. (or) The other method is take HCF of all given capacities i.e 98, 182 and 266.
Q: Iodine test is used to detect 4750 05b5cc699e4d2b4197774c741
5b5cc699e4d2b4197774c741- 1Carbohydratetrue
- 2Fatfalse
- 3Proteinfalse
- 4Cholesterolfalse
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Answer : 1. "Carbohydrate"
Explanation :
Answer: A) Carbohydrate Explanation: The iodine test is used to test for the presence of starch i.e, Carbohydrate.