GRE Practice Question and Answer

Q: At what time between 3 and 4 o’clock will the minute hand and the hour hand are on the same straight line but facing opposite directions ? 2780 0

  • 1
    3:15 2/8
    Correct
    Wrong
  • 2
    3:49
    Correct
    Wrong
  • 3
    3:49 1/11
    Correct
    Wrong
  • 4
    3:51
    Correct
    Wrong
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Answer : 3. "3:49 1/11"
Explanation :

Answer: C) 3:49 1/11 Explanation: On straight line means 180 degree angle.180 = 11/2 min – 30 hrs180 = 11/2 m – 30 × 3180 = 11/2 m – 90(180 + 90) 2 = 11 mm = 540/11 = 49 1/11 minutes.

Q: What time will it be 18 hours from now in India, if in the USA it is 4:15 AM? (Hint : IST = US + 9:30 hrs) 2769 0

  • 1
    1:45 in the afternoon
    Correct
    Wrong
  • 2
    7:45 in the evening
    Correct
    Wrong
  • 3
    7:45 in the next morning
    Correct
    Wrong
  • 4
    1:45 in the next morning
    Correct
    Wrong
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Answer : 3. "7:45 in the next morning"
Explanation :

Answer: C) 7:45 in the next morning Explanation: We know that the time difference between India and USA is 9 hrs 30 min. India is 9:30 hrs ahead of USA. Time in India = 4:15 + 9:30 = 13:45 PM. Required Time after 18 hrs = 13:45 + 18 hrs = 7:45 AM.   Hence it is 7:45 AM on the next morning.

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Answer : 3. "Either b alone or a & b follows"
Explanation :

Answer: C) Either b alone or a & b follows Explanation: From statement (b)Average of 11 players = 11 x 28 = 308Average of 10 players = 10 x 27.3 = 273Age of captain = 308 - 273 = 35. From the Statement (a) we can say that captain's age (C) = y + 11 ...(1) where y-youngers ageFrom the statement (c),the averge age of 3groups of 3players each was given,It means total 9 players age was given indirectly,1st group: 25 x 3 = 752nd group: 28 x 3 = 843rd group: 30 x 3 = 90Total  is 75 + 84 + 90 = 249Now {C + Y + (9 players age sum)}/11 = 28Y + 11 + Y + (249) = 28 x 11=3082Y+260=3082Y = 308-260 = 40 ==> Y=24 ==> C(captain's age)= Y+11 = 24+11 = 35 Therefore, statement b alone or a & c only is the answer.

Q: I. a2-7a+12 = 0, II. b2-3b+2 = 0 Solve both the equations to find the values of a and b  ? 2762 0

  • 1
    if a > b
    Correct
    Wrong
  • 2
    if a < b
    Correct
    Wrong
  • 3
    if the relationship between a and b cannot be established.
    Correct
    Wrong
  • 4
    if a ≤ b
    Correct
    Wrong
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Answer : 1. "if a > b"
Explanation :

Answer: A) if a > b Explanation: I.  (a - 3)(a - 4) = 0   => a = 3, 4   II.   (b - 2)(b - 1) = 0   => b = 1, 2   => a > b

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Answer : 2. "B"
Explanation :

Answer: B) B Explanation: The last sentence in the paragraph clearly gives support for the idea that the interest in Shakespeare is due to the development of his characters. Choice a is incorrect because the writer never makes this type of comparison. Choice c is wrong because even though scholars are mentioned in the paragraph, there is no indication that the scholars are compiling the anthology. Choice d is wrong because there is no support to show that most New Yorkers are interested in this work. There is no support for choice e either.

Q: Choose the pair which shows the same relation of the given pair from the following options ?  BRISTLE : BRUSH 2758 0

  • 1
    arm : leg
    Correct
    Wrong
  • 2
    key : piano
    Correct
    Wrong
  • 3
    recline : chair
    Correct
    Wrong
  • 4
    stage : curtain
    Correct
    Wrong
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Answer : 2. "key : piano"
Explanation :

Answer: B) key : piano Explanation: A bristle is a part of a brush; a key is a part of a piano.

Q: What travels around the world and stays in one spot? 2754 0

  • 1
    Slippers
    Correct
    Wrong
  • 2
    Walking stick
    Correct
    Wrong
  • 3
    Stamps
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Stamps"
Explanation :

Answer: C) Stamps Explanation: Stamps are what travel around the worldstaying in one spot. Slippers and walking stick can also travel around the world but they will not stay at one spot. So they are eliminated.

Q: Two trains start from same place at same time at right angles to each other. Their speeds are 36km/hr and 48km/hr respectively. After 30 seconds the distance between them will be ? 2751 0

  • 1
    900 mts
    Correct
    Wrong
  • 2
    300 mts
    Correct
    Wrong
  • 3
    250 mts
    Correct
    Wrong
  • 4
    500 mts
    Correct
    Wrong
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Answer : 4. "500 mts"
Explanation :

Answer: D) 500 mts Explanation: Using pythagarous theorem,distance travelled by first train = 36x5/18x30 = 300mdistance travelled by second train = 48x5/18x30 = 400mso distance between them =√( 90000 + 160000) = √250000 = 500mts.

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