GRE Practice Question and Answer

Q: If CGKQW is one sequence following a logic, and another five-letter sequence following similar type of logic is BFJPV, then one more variation of this type can be ? 1753 0

  • 1
    VPCFT
    Correct
    Wrong
  • 2
    DHLRX
    Correct
    Wrong
  • 3
    CFKNT
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 2. "DHLRX"
Explanation :

Answer: B) DHLRX Explanation: The logic behind the sequence given in the question is +4, +4, +6, +6Therefore, the sequence which follows the same logic in the given options is DHLRX.

Q: What has to be broken before you can use or eat it? 1753 0

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Answer :
Explanation :

Egg. Egg is to be broken if we want to use or eat it.

Q: A Step-Up Transformer Increases 1749 0

  • 1
    Power
    Correct
    Wrong
  • 2
    Current
    Correct
    Wrong
  • 3
    Frequency
    Correct
    Wrong
  • 4
    Voltage
    Correct
    Wrong
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Answer : 4. "Voltage"
Explanation :

Answer: D) Voltage Explanation: A transformer that increases voltage from primary to secondary (more secondary winding turns than primary winding turns) is called a Step-Up Transformer. Conversely, a transformer designed to do just the opposite is called a Step-Down Transformer.

Q: In a family, each daughter has the same number of brothers as she has sisters and each son has twice as many sisters as he has brothers. How many sons are there in the family ? 1745 0

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

Answer: C) 3 Explanation: Assume the family has X girls and Y boys, according to the question,we can have 2 equations:X-1=Y, 2(Y-2)=X.Solve the equations, we get X=4, Y=3.

Q: What loses its head every morning and gets it back every night? 1742 0

  • 1
    Pillow
    Correct
    Wrong
  • 2
    Candle
    Correct
    Wrong
  • 3
    Moon
    Correct
    Wrong
  • 4
    Light
    Correct
    Wrong
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Answer : 1. "Pillow"
Explanation :

Answer: A) Pillow Explanation:

Q: Population of a colony of mosquitoes is increasing by 20% per day. If the population on Monday was 3000, on which day of that week the population would be 5184 ? 1741 0

  • 1
    Thursday
    Correct
    Wrong
  • 2
    Friday
    Correct
    Wrong
  • 3
    Tuesday
    Correct
    Wrong
  • 4
    Monday
    Correct
    Wrong
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Answer : 1. "Thursday"
Explanation :

Answer: A) Thursday Explanation: Given monday population = 3000Per day 20% increase in population. Tuesday population = 3000 + 3000x20/100 = 3000 + 600 = 3600 Wednesday population =3600 + 3600x20/100 = 3600 + 720 = 4320 Thursday population = 4320 + 4320x20/100 = 4320 + 864 = 5184 So that day is Thursday.

Q: Ammeter : Current :: Odometer : ? 1739 0

  • 1
    Blood Pressure
    Correct
    Wrong
  • 2
    Haemoglobin
    Correct
    Wrong
  • 3
    pressure
    Correct
    Wrong
  • 4
    Speed
    Correct
    Wrong
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Answer : 4. "Speed"
Explanation :

Answer: D) Speed Explanation: Here Ammeter is used for measuring Current whereas Odometer is used to measure Speed.

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