GRE Practice Question and Answer

Q: Find the odd one out of the following number series? 9 5 6 14 56 488 3127 0

  • 1
    56
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    14
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 1. "56"
Explanation :

Answer: A) 56 Explanation: The given number series follows a pattern that, 9 9 x 0.5 + 0.5 = 5 5 x 1 + 1 = 6 6 x 2 + 2 = 14 14 x 4 + 4 = 60 (not equals to 56) 60 x 8 + 8 = 488.   Hence, the odd one in the given number series is 56.

Q: Planet : Orbit :: Projectile : ? 2446 0

  • 1
    Path
    Correct
    Wrong
  • 2
    Milky way
    Correct
    Wrong
  • 3
    Track
    Correct
    Wrong
  • 4
    Trajectory
    Correct
    Wrong
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Answer : 4. "Trajectory"
Explanation :

Answer: D) Trajectory Explanation: The path traced by planet is called Orbit. Similarly, the path traced by projectile is called Trajectory.   Hence, Planet : Orbit : : Projectile : Trajectory.

Q: Third proportion of 10 and 20 is 1510 0

  • 1
    30
    Correct
    Wrong
  • 2
    40
    Correct
    Wrong
  • 3
    25
    Correct
    Wrong
  • 4
    20
    Correct
    Wrong
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Answer : 2. "40"
Explanation :

Answer: B) 40 Explanation: The third proportional of two numbers p and q is defined to be that number r such that p : q = q : r.   Here, required third proportional of 10 & 20, and let it be 'a' => 10 : 20 = 20 : a 10a = 20 x 20 => a = 40   Hence, third proportional of 10 & 20 is 40.

Q: Which results in an increase in power? 1196 0

  • 1
    doing more work in less time.
    Correct
    Wrong
  • 2
    doing less work in more time.
    Correct
    Wrong
  • 3
    doing less work in less time.
    Correct
    Wrong
  • 4
    doing more work in more time.
    Correct
    Wrong
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Answer : 1. "doing more work in less time."
Explanation :

Answer: A) doing more work in less time. Explanation: Doing more work in less time, results in an increase in power to do a work.

Q: I am always infront of you, but you will never see me. Who am I? 1284 0

  • 1
    Mirror
    Correct
    Wrong
  • 2
    Shadow
    Correct
    Wrong
  • 3
    Future
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Future"
Explanation :

Answer: C) Future Explanation: Yes, future is always infront of us, but no one can see it.

Q: 80% of 900 + 162 x 4 x ? = 113 - 99 3083 0

  • 1
    0.5
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    0
    Correct
    Wrong
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Answer : 1. "0.5"
Explanation :

Answer: A) 0.5 Explanation: 80x900/100 + 256 x 4 x ? = 1331 - 99 720 + 1024 x ? = 1232 ? = 1232 - 720/1024 ? = 512/1024 = 0.5 ? = 0.5

Q: How many times can you subtract 10 from 100? 6779 0

  • 1
    9 times
    Correct
    Wrong
  • 2
    10 times
    Correct
    Wrong
  • 3
    1 time
    Correct
    Wrong
  • 4
    0 times
    Correct
    Wrong
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Answer : 3. "1 time"
Explanation :

Answer: C) 1 time Explanation: How many times can you subtract 10 from 100, for this if we go through logically, it is only 1 time. For the first time if we subtract 10 from 100, then there will no 100 to subtract from.   Hence, it is only 1 time we can subtract 10 from 100.

Q: Which vehicle is spelled the same forwards and backwards? 1758 0

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Answer :
Explanation :

Racecar and Civic are the two vehicles which spelled the same forwards an backwards.

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