GRE Practice Question and Answer
8Q: A seven letter word containing thousands of letters is what? 1618 05b5cc695e4d2b4197774c519
5b5cc695e4d2b4197774c519- Show Answer
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Answer :
Explanation :
It is a Postbox or a Mailbox which contains thousands of letters or mails or messages.
Q: If y/(x - z) = (y + x)/z = x/y then find z : y : x ? 1616 05b5cc761e4d2b4197774fd4e
5b5cc761e4d2b4197774fd4e- 11:2:3false
- 23:2:4true
- 34:3:2false
- 42:3:4false
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Answer : 2. "3:2:4"
Explanation :
Answer: B) 3:2:4 Explanation: Given, y/(x - z) = (y + x)/z = x/yyz = xy + x2 - yz - xz ....(1)Also xy = yx-z ⇒x2 -xz = y2 ....(2)Using (1) and (2), we get yz = xy - yz + y22yz = xy + y22z = x + y Only option (B) satisfies the equation.
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Answer :
Explanation :
The given letter equation tells that, Wives of Henry the Eighth.
Q: A watch which gains uniformly is 2 minutes low at noon on Tuesday and is 4 min 48 sec fast at 2 p.m. on the following Tuesday. When was it correct ? 1611 05b5cc761e4d2b4197774fd0c
5b5cc761e4d2b4197774fd0c- 112 p.m. on Wednesdayfalse
- 22 p.m. on Thursdaytrue
- 33 p.m. on Thursdayfalse
- 42 p.m. on Wednesdayfalse
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Answer : 2. "2 p.m. on Thursday"
Explanation :
Answer: B) 2 p.m. on Thursday Explanation: Time from 12 p.m. on Tuesday to 2 p.m. on the following Tuesday = 7 days 2 hours.= 170 hours.The watch gains = (2 + 4 x 4/5) min= 34/5 min. in 170 hrs.Now, 34/5 min are gained in 170 hrs.Then, 2 min are gained in (170 x 5/34 x 2) hrs.Watch is correct after 2 days 2 hrs after 12 p.m. on Tuesday, i.e., it will be correct at 2 p.m. on Thursday.
Q: The ratio of present ages of X and Y is 4:5. Which of the following can't be the ratio of ages of X and Y, 20 years ago ? 1610 05b5cc73de4d2b4197774f925
5b5cc73de4d2b4197774f925- 12 : 5false
- 28 : 15false
- 39 : 10true
- 43 : 5false
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Answer : 3. "9 : 10"
Explanation :
Answer: C) 9 : 10 Explanation: The ratio of X and Y ages at present is 4:5. Then, the ratio 20 years ago will not be more than the ratio at present. So, from the options 9:10 is not satifying => its ratio is 0.9 which is greater than presnt ratio of 0.8.
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Answer :
Explanation :
11 P in a CT means 11 Players in a Cricket Team.
Q: On BBC World News channel last night they showed an informative program about new innovations in medical imaging, which you would have found interesting. 1609 05b5cc6a3e4d2b4197774cc1a
5b5cc6a3e4d2b4197774cc1a- 1there was an informative program about innovations in medical imaging, a program you would have found interesting.true
- 2they showed an informative program about innovations in medical imaging, which you would have found interesting.false
- 3there was an informative program about new innovations in medical imaging, that you would have found interesting.false
- 4they showed an informative program about new innovations in medical imaging, which you would have found interesting.false
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Answer : 1. "there was an informative program about innovations in medical imaging, a program you would have found interesting."
Explanation :
Answer: A) there was an informative program about innovations in medical imaging, a program you would have found interesting. Explanation: They is incorrect when talking of the television channel. New is redundant. And which must have a clear antecedent. Hence, Only Option A satisfies and clears all the flaws in the given sentence.
Q: Statement 1: Elizabeth has four children.Statement 2: Two of the children have blue eyes and two of the children have brown eyes.Statement 3: Half of the children are girls.If the first three statements are facts, which of the following statements must also be a fact? a. At least one girl has blue eyes.b. Two of the children are boys.c. The boys have brown eyes. 1608 05b5cc76ae4d2b4197774fe84
5b5cc76ae4d2b4197774fe84- 1a onlyfalse
- 2a and bfalse
- 3b onlytrue
- 4b and cfalse
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Answer : 3. "b only"
Explanation :
Answer: C) b only Explanation: Since half of the four children are girls, two must be boys. It is not clear which children have blue or brown eyes. So only statement (b) follows.