Practice Question and Answer
8 Q: A box contains 56 in the form of coins of one rupee, 50 paise and 25 paise. The number of 50 paise coins is double the number of 25 paise coins and four times the number of one rupee coins. How many 50 paise coins are there in the box?
1720 05f3f8ceb9b782961da384895
5f3f8ceb9b782961da384895- 152false
- 216false
- 332false
- 464true
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Answer : 4. "64"
Q: Average age of 21 men reduces by 1 year when a man of 32 years is replaced by a child. What is the age of that child? 1720 05d19d5011388cd24f0860efa
5d19d5011388cd24f0860efa- 110 yearsfalse
- 211 yearstrue
- 39 yearsfalse
- 48 yearsfalse
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Answer : 2. "11 years"
Explanation :
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Q: 50 men can build a tank in 40days, but though they begin the work together, 5 men quit every ten days. The time needed to build the tank is ? 1719 05b5cc76fe4d2b4197774ff71
5b5cc76fe4d2b4197774ff71- 150 daystrue
- 248 daysfalse
- 347.5 daysfalse
- 449 daysfalse
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Answer : 1. "50 days"
Explanation :
Answer: A) 50 days Explanation: 50 men can build a tank in 40 days Assume 1 man does 1 unit of work in 1 day Then the total work is 50×40 = 2000 units 50 men work in the first 10 days and completes 50×10 = 500 units of work 45 men work in the next 10 days and completes 45×10 = 450 units of work 40 men work in the next 10 days and completes 40×10 = 400 units of work 35 men work in the next 10 days and completes 35×10 = 350 units of work So far 500 + 450 + 400 + 350 = 1700 units of work is completed and Remaining work is 2000 - 1700 = 300 units 30 men work in the next 10 days. In each day, they does 30 units of work. Therefore, additional days required = 300/30 =10 Thus, total 10+10+10+10+10 = 50 days required.
Q: The principle of 'black hole' was enunciated
1719 05e37d24572f03a106da6cbbb
5e37d24572f03a106da6cbbb- 1C . V. By Ramanfalse
- 2H . J. Bhabhafalse
- 3S . Chandrasekhar bytrue
- 4H. Khurana byfalse
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Answer : 3. "S . Chandrasekhar by "
Q: The hard Shell of an egg was dissolved in HCL. The egg was then placed in a concentration solution of NaCl. What will happens ______ 1719 05b5cc7c2e4d2b41977750ab1
5b5cc7c2e4d2b41977750ab1- 1The egg will shrinktrue
- 2The egg will swellfalse
- 3The egg will become harderfalse
- 4There will be hardly any visible changefalse
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Answer : 1. "The egg will shrink"
Explanation :
Answer: A) The egg will shrink Explanation:
Q: As per the newspaper report, the world's second largest generic Pharama company, Sandoz is in talks to take over YK Hamied - promoted domestic pharma company. The company in the question is _______ 1719 05b5cc7c3e4d2b41977750b42
5b5cc7c3e4d2b41977750b42- 1Ciplatrue
- 2Wockhardtfalse
- 3Hamdardfalse
- 4Sun Pharmafalse
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Answer : 1. "Cipla"
Explanation :
Answer: A) Cipla Explanation:
Q: Choose the correct alternative from the given ones that will complete the given sequence.
1.5, 2.3, 3.1, 3.9, ?
1719 05f46403bf2f3ef4eee7c8898
5f46403bf2f3ef4eee7c88981.5, 2.3, 3.1, 3.9, ?
- 13.12false
- 24.7true
- 34.9false
- 45.1false
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Answer : 2. "4.7"
Q: Who won the US Open 2018? 1719 05b5cc63de4d2b4197774bb05
5b5cc63de4d2b4197774bb05- 1Brooks Koepkatrue
- 2Tommy Fleetwoodfalse
- 3T. Finaufalse
- 4D. Johnsonfalse
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Answer : 1. "Brooks Koepka"
Explanation :
Answer: A) Brooks Koepka Explanation: Brooks Koepka shot a final round 68 for 281 (+1) to win his second straight U.S. Open, one stroke ahead of runner-up Tommy Fleetwood, who closed with the sixth round of 63 in U.S. Open history.