GRE Practice Question and Answer
8Q: There are n boxes and m fruits. If we put 3 fruits in each box 3 fruits will be excess. If we put 4 fruits in each box 1 box will be excess. Find number of boxes and fruits ? 1582 05b5cc711e4d2b4197774f3ff
5b5cc711e4d2b4197774f3ff- 13 & 9false
- 26 & 19false
- 37 & 24true
- 45 & 18false
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Answer : 3. "7 & 24"
Explanation :
Answer: C) 7 & 24 Explanation: 7 boxes & 24 Balls.Let, n = No. of boxes ; m = No. of fruits3n+3 = m---------->(1)4(n-1)= m---------->(2)=>4n-4 = 3n+3;=>4n-3n = 4+3n = 7Put n=7 in eqn(1)=> 3(7)+3 = m21+3 = mm = 24; Number of boxes = 7 and fruits = 24
Q: Which of the following is the largest unit of information? 1579 05b5cc67ee4d2b4197774c22a
5b5cc67ee4d2b4197774c22a- 11 TBtrue
- 21 GBfalse
- 31 MBfalse
- 41 KBfalse
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Answer : 1. "1 TB"
Explanation :
Answer: A) 1 TB Explanation: 1 TB > 1 GB > 1 MB > 1 KB 1 Tb (Tera Byte) = 1024 GB 1 GB (Giga Byte) = 1024 MB 1 MB (Mega Byte) = 1024 KB 1 KB (Kilo Byte) = 1024 Bytes 1 Byte = 8 Bit Hence, largest unit of information is TB (Tera Byte) and smallest unit of information is Bit.
Q: A train travels 325 km in 3.5 hours and 470 km in 4 hours. Find the average speed of train ? 1578 05b5cc764e4d2b4197774fd99
5b5cc764e4d2b4197774fd99- 1107 kmphfalse
- 2106 kmphtrue
- 372 kmphfalse
- 476 kmphfalse
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Answer : 2. "106 kmph"
Explanation :
Answer: B) 106 kmph Explanation: As we know that Speed = Distance / Timefor average speed = Total Distance / Total Time TakenThus, Total Distance = 325 + 470 = 795 kmThus, Total Speed = 7.5 hrsAverage Speed = 795/7.5 => 106 kmph.
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Answer :
Explanation :
SHORT is the required five letter word, which becomes SHORTER when two letters 'ER' are added to it.
Q: What least number must be substracted from 627349 so that the remaining number is divisible by 15 ? 1574 05b5cc754e4d2b4197774fb9a
5b5cc754e4d2b4197774fb9a- 11false
- 22false
- 33false
- 44true
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Answer : 4. "4"
Explanation :
Answer: D) 4 Explanation: On dividing 627349 by 15, we get remainder = 4.Therefore, the obtained remainder is the least number to be subtracted from the given number so that the the mnumber is divisible by 15.Here 4 is the least number to be subtracted from 627349 so that it is divisible by 15.
Q: Calculate the number of bricks, each measuring 25 cm x 15 cm x 8 cm required to construct a wall of dimensions 10 m x 4 m x 5 m when 10% of its volume is occupied by concrete ? 1574 05b5cc6eee4d2b4197774ef16
5b5cc6eee4d2b4197774ef16- 16000true
- 25400false
- 33800false
- 44700false
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Answer : 1. "6000"
Explanation :
Answer: A) 6000 Explanation: Let 'B' be the nuber of bricks. => 10 x 4/100 x 5 x 90/100 = 25/100 x 15/100 x 8/100 x B => 10 x 20 x 90 = 15 x 2 x B => B = 6000
Q: IF YOU HAVE ME, YOU WANT TO SHARE ME. IF YOU SHARE ME, YOU HAVEN'T GOT ME. WHAT AM I? 1572 05b5cc6b3e4d2b4197774d45d
5b5cc6b3e4d2b4197774d45d- Show AnswerHide Answer
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Answer :
Explanation :
A Secret.
Q: Makaibari is the costliest variety of what? 1571 05b5cc683e4d2b4197774c2bb
5b5cc683e4d2b4197774c2bb- 1Coffeefalse
- 2Pepperfalse
- 3Teatrue
- 4Waterfalse
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Answer : 3. "Tea"
Explanation :
Answer: C) Tea Explanation: Makaibari is the world's first tea factory and was established in 1859 in Darjeeling, West Bengal. It is most expensive tea in India which costs around 1.12 lakhs for 1 kg of tea. Hence, Makaibari is the costliest variety of Tea.