GRE Practice Question and Answer

Q: Pointing to a photograph, a man said, "I have no brother or sister but that man’s father is my father’s son." Whose photograph was it? 2241 0

  • 1
    His uncle's
    Correct
    Wrong
  • 2
    His nephew's
    Correct
    Wrong
  • 3
    His son's
    Correct
    Wrong
  • 4
    His Cousin's
    Correct
    Wrong
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Answer : 3. "His son's"
Explanation :

Answer: C) His son's Explanation: Since the narrator has no brother, his father’s son is he himself. So, the man who is talking is the father of the man in the photograph. Thus, the man in the photograph is his son.

Q: Bind it and it walks, Loose it and it stops. What is it? 2235 0

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Answer :
Explanation :

A Sandal. It has sticking strips to make them fit for our feet. If you bind them only you can start walking or other wise it comes out.

Q: The letters of the word PROMISE are to be arranged so that three vowels should not come together. Find the number of ways of arrangements? 2232 0

  • 1
    4320
    Correct
    Wrong
  • 2
    4694
    Correct
    Wrong
  • 3
    4957
    Correct
    Wrong
  • 4
    4871
    Correct
    Wrong
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Answer : 1. "4320"
Explanation :

Answer: A) 4320 Explanation: Given Word is PROMISE. Number of letters in the word PROMISE = 7 Number of ways 7 letters can be arranged = 7! ways Number of Vowels in word PROMISE = 3 (O, I, E) Number of ways the vowels can be arranged that 3 Vowels come together = 5! x 3! ways   Now, the number of ways of arrangements so that three vowels should not come together = 7! - (5! x 3!) ways = 5040 - 720 = 4320.

Q: Which of the following is not a fossil fuel? 2232 0

  • 1
    Natural Gas
    Correct
    Wrong
  • 2
    Uranium
    Correct
    Wrong
  • 3
    Coal
    Correct
    Wrong
  • 4
    Petroleum
    Correct
    Wrong
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Answer : 2. "Uranium"
Explanation :

Answer: B) Uranium Explanation: Uranium is not a fossil fuel whereas coal, petroleum and natural gas are all natural resources. Fossil fuels are hydrocarbons, primarily coal, fuel oil or natural gas, formed from the remains of dead plants and animals. In common dialogue, the term fossil fuel also includes hydrocarbon-containing natural resources that are not derived from animal or plant sources

Q: Find the greatest number that will divide 964, 1238 and 1400 leaving remainder of 41,31 and 51 respectively ? 2231 0

  • 1
    64
    Correct
    Wrong
  • 2
    69
    Correct
    Wrong
  • 3
    71
    Correct
    Wrong
  • 4
    58
    Correct
    Wrong
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Answer : 3. "71"
Explanation :

Answer: C) 71 Explanation: To find the greatest number which divides the numbers 964, 1238 and 1400 leaving the remainders 41, 31 and 51 is nothing but the HCF of (964 - 41), (1238 - 31), (1400 - 51). Therefore, HCF of 923, 1207 and 1349 is 71.

Q: A seller uses 840 gm in place of 1 kg to sell his goods. Find his actual profit/loss % When he sells his article on 4% loss on cost price ? 2231 1

  • 1
    14.28 % profit
    Correct
    Wrong
  • 2
    24.18 % profit
    Correct
    Wrong
  • 3
    14.28 % loss
    Correct
    Wrong
  • 4
    24.18 % loss
    Correct
    Wrong
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Answer : 1. "14.28 % profit"
Explanation :

Answer: A) 14.28 % profit Explanation: Let 1kg of Rs. 100 then 840gm is of Rs. 84.Now (label on can 1kg but contains 840kg ) so for customer it is of Rs. 100 and further gives 4% discount [he sells his article on 4% loss on cost price.] So now S.P = Rs. 96But actually it contains 840 gm so C.P for shopkeeper = Rs. 84S.P = Rs. 96C.P = Rs. 84Profit% = {(S.P-C.P)/C.P}x100{(96-84)/84} x 100 = 14.28571429% PROFIT.

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Answer : 4. "Neither a nor b follows"
Explanation :

Answer: D) Neither a nor b follows Explanation: Financial support to the tourism sector is not a permanent solution. Secondly, constant risk for the foreign tourists will never encourage tourism in India. Hence, none of the course action is the right solution in this direction.

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 ? 2225 0

  • 1
    12 p.m. on Wednesday
    Correct
    Wrong
  • 2
    2 p.m. on Thursday
    Correct
    Wrong
  • 3
    3 p.m. on Thursday
    Correct
    Wrong
  • 4
    2 p.m. on Wednesday
    Correct
    Wrong
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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.

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