GRE Practice Question and Answer

Q: What are three positive characteristics you wish you had ? 1624 0

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Answer :
Explanation :

To answer this question, focus on honesty and positivity in order to show that you have both self-confidence and humility. Show the interviewer that you understand that there are different types of people and personalities and that all are valuable in their own way. Choose traits that are unreachable, such as perfection, and then emphasize your well-rounded personality and ability to learn from mistakes.

Q: Find out the wrong number in the following series ? 2880, 480, 92, 24, 8, 4, 4 1623 0

  • 1
    480
    Correct
    Wrong
  • 2
    92
    Correct
    Wrong
  • 3
    24
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 2. "92"
Explanation :

Answer: B) 92 Explanation: The given series of numbers follow the rule that, 2880/6 = 480480/5   = 9696/4     = 2424/3     = 88/2       = 44/1       = 4 But 92 is not in the rule. It is the wrong number in the given series.

Q: Q's mother is sister of P and daughter of M who is brother of R. S is daughter of P and sister of T. How is M related to T ? 1622 0

  • 1
    Grand father
    Correct
    Wrong
  • 2
    Grand mother
    Correct
    Wrong
  • 3
    Grand father or Grand mother
    Correct
    Wrong
  • 4
    Can't be determined
    Correct
    Wrong
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Answer : 1. "Grand father"
Explanation :

Answer: A) Grand father Explanation: Q's mother is sister of P and daughter of M => P is the child of M.S is daughter of P and sister of T, so P is parent of T too.M ----> parent --------> P ------------>parent -------------> TBut given M is brother of R => M is male. So, M is grandfather of T.

Q: What color does yellow and green make? 1619 0

  • 1
    Lime
    Correct
    Wrong
  • 2
    Ocean mist
    Correct
    Wrong
  • 3
    Maroon
    Correct
    Wrong
  • 4
    Tangerine
    Correct
    Wrong
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Answer : 1. "Lime"
Explanation :

Answer: A) Lime Explanation: Yellow and green color mix make a Lime color.   The three primary colors in additive mixing are red, green, and blue. In the absence of color or, when no colors are showing, the result is black. If all three primary colors are showing, the result is white. When red and green combine, the result is yellow. When red and blue combine, the result is magenta. When blue and green combine, the result is cyan.

Q: A Step-Up Transformer Increases 1616 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 ? 1615 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.

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Answer : 2. "1/6"
Explanation :

Answer: B) 1/6 Explanation: Total work is given by L.C.M of 72, 48, 36 Total work = 144 units Efficieny of A = 144/72 = 2 units/day Efficieny of B = 144/48 = 3 units/day Efficieny of C = 144/36 = 4 units/day   According to the given data, 2 x p/2 + 3 x p/2 + 2 x (p+6)/3 + 3 x (p+6)/3 + 4 x (p+6)/3 = 144 x (100 - 125/3) x 1/100 3p + 4.5p + 2p + 3p + 4p = 84 x 3 - 54 p = 198/16.5 p = 12 days.   Now, efficency of D = (144 x 125/3 x 1/100)/10 = 6 unit/day (C+D) in p days = (4 + 6) x 12 = 120 unit Remained part of work = (144-120)/144 = 1/6.

Q: Assertion( 1615 0

  • 1
    : Most of the Himalayan rivers are perennial.Reason(R) : They are fed by melting snow. A) R correctly explains A
    Correct
    Wrong
  • 2
    R is true but A is fale
    Correct
    Wrong
  • 3
    A is true but R is false
    Correct
    Wrong
  • 4
    A) R correctly explains A B) R is true but A is fale C) A is true but R is false D)
    Correct
    Wrong
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Answer : 1. ": Most of the Himalayan rivers are perennial.Reason(R) : They are fed by melting snow. A) R correctly explains A"
Explanation :

Answer: A) R correctly explains A Explanation: Most Himalayan rivers are perennial because they are fed by the melting snow throughout the year.Thus, both A and R are true & R correctly explains A.

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