GRE Practice Question and Answer

Q: In the given number series which follows the definite rules then find out the value of (M, N, O, and P) in second number series. 7  18  42  94  204 4   M   N    O     P What value will come in place of P? 850 0

  • 1
    179
    Correct
    Wrong
  • 2
    184
    Correct
    Wrong
  • 3
    164
    Correct
    Wrong
  • 4
    156
    Correct
    Wrong
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Answer : 4. "156"
Explanation :

Answer: D) 156 Explanation: Here the given series 7  18  42  94  204 follows a pattern that,  7 7 ×2+4 = 18 18 ×2+6 = 42 42 ×2+10 = 94 94 ×2+16 = 204 Similarly, 4 4 ×2+4 = 12 12 ×2+6 = 30 30 ×2+10 = 70 70 ×2+16 = 156 Hence, the value of P = 156.

Q: What is 7 C in a R represents? 1220 0

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Answer :
Explanation :

7 C in a R represents 7 Colours in a Rainbow.

Q: Oxidation Number of 'S' in H2SO4? 893 0

  • 1
    +6
    Correct
    Wrong
  • 2
    +2
    Correct
    Wrong
  • 3
    -6
    Correct
    Wrong
  • 4
    -2
    Correct
    Wrong
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Answer : 1. "+6"
Explanation :

Answer: A) +6 Explanation: In H2SO4, Hydrogen has a charge of +2, with each hydrogen has +1. Oxygen has  a charge of -8, with each oxugen has -2. Total charge = (2 - 8) = -6 Therefore, the Oxidation number of Sulphur S is '+6' because to make the compound stable.

Q: Man : Biography :: Nation : ? 3765 0

  • 1
    History
    Correct
    Wrong
  • 2
    Leader
    Correct
    Wrong
  • 3
    Story
    Correct
    Wrong
  • 4
    Nationalism
    Correct
    Wrong
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Answer : 1. "History"
Explanation :

Answer: A) History Explanation: Detailed description of a man's life is Biography. Similarly, detailed description of a Nations is called History.

Q: What is 15 of 80 with simple method and examples? 1252 0

  • 1
    12.5%
    Correct
    Wrong
  • 2
    18.75%
    Correct
    Wrong
  • 3
    16.55%
    Correct
    Wrong
  • 4
    17.80%
    Correct
    Wrong
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Answer : 2. "18.75%"
Explanation :

Answer: B) 18.75% Explanation: Given that to find 15 of 80 => What % of 80 is 15 Let it be 'p' => p% of 80 = 15 => p x 80100 = 15⇒p = 15 x 10080⇒p = 150080 = 18.75   Therefore, 15 is 18.75% of 80 => 18.75% of 80 = 15   Example:: Now, in the similar way we can find 15% of 80 =? => 15x80/100 = p => p = 4 x 3 = 12   Therefore, 15% of 80 = 12

Q: Coding-Decoding If Pour is wrtten as 4156Sware is written as 78269Clear is written as 3@926 Then what is the code for PEARL= ? 5837 0

  • 1
    429@6
    Correct
    Wrong
  • 2
    4962@
    Correct
    Wrong
  • 3
    4692@
    Correct
    Wrong
  • 4
    4926@
    Correct
    Wrong
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Answer : 4. "4926@"
Explanation :

Answer: D) 4926@ Explanation: Pour - 4156 => P = 4,  r = 6 Sware - 78269 => a =  2,  e = 9 Clear - 3@926 => l = @ => Pearl = 4926@

Q: Which is faster Light or Sound? 1195 1

  • 1
    Light
    Correct
    Wrong
  • 2
    Sound
    Correct
    Wrong
  • 3
    Both are same
    Correct
    Wrong
  • 4
    Can't be determined
    Correct
    Wrong
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Answer : 1. "Light"
Explanation :

Answer: A) Light Explanation: Light travels Faster than Sound.   Light : 1. Light doesn't require a medium to travel. 2. It travels in the vaccum with the speed of 1,86,000 miles per second.   Sound: 1. Sound rquire a medium. 2. It travels in the Air with the speed of 340 meters per second. 3. It travels Faster in Water than in Air. 4. It travels Faster in Steel than in Water.

Q: Which sentence is Punctuated correctly? 2810 0

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    The conference was only supposed to be an hour; however, it ran for nearly two and half hours.
    Correct
    Wrong
  • 2
    The conference was only supposed to be an hour, however; it ran for nearly two and half hours.
    Correct
    Wrong
  • 3
    The conference was only supposed to be an hour. however, it ran for nearly two and half hours.
    Correct
    Wrong
  • 4
    The conference was only supposed to be an hour; however it ran for nearly two and half hours.
    Correct
    Wrong
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Answer : 1. "The conference was only supposed to be an hour; however, it ran for nearly two and half hours."
Explanation :

Answer: A) The conference was only supposed to be an hour; however, it ran for nearly two and half hours. Explanation: The correct punctuated sentence is A The conference was only supposed to be an hour; however, it ran for nearly two and half hours.

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