GRE Practice Question and Answer

Q: On a school’s Annual day sweets were to be equally distributed amongst 112 children. But on that particular day, 32 children were absent. Thus the remaining children got 6 extra sweets. How many sweets was each child originally supposed to get ? 1878 0

  • 1
    14
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
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Answer : 4. "15"
Explanation :

Answer: D) 15 Explanation: Let 'K' be the total number of sweets.Given total number of students = 112If sweets are distributed among 112 children,Let number of sweets each student gets = 'L' => K/112 = L ....(1)But on that day students absent = 32 => remaining = 112 - 32 = 80Then, each student gets '6' sweets extra. => K/80 = L + 6 ....(2)from (1) K = 112L substitute in (2), we get112L = 80L + 48032L = 480L = 15 Therefore, 15 sweets were each student originally supposed to get.

Q: Statement: There is a substantial increase in the number of accidents causing deaths and severe injuries due to malfunctioning of the traffic signals.Course of action:a. The traffic police should immediately post traffic personnel at the junctions.b. The signal system should immediately be repaired or replaced. 1877 0

  • 1
    Only a follows
    Correct
    Wrong
  • 2
    Either a or b follows
    Correct
    Wrong
  • 3
    Only b follows
    Correct
    Wrong
  • 4
    Neither a nor b follows
    Correct
    Wrong
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Answer : 2. "Either a or b follows"
Explanation :

Answer: B) Either a or b follows Explanation: Clearly, either the traffic signals should be made to function properly or traffic personnel should be deployed to guide vehicular movement in the right way. So either I or II follows.

Q: Can you spot the missing number? 1876 0

  • 1
    3
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    Both A & B
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Both A & B"
Explanation :

Answer: C) Both A & B Explanation: The given number puzzle can be soved in two ways. Logic 1 :: Row 1  - 2 x 3 = 6 , 6 x 3 = 18 Row 2  - 4 x 5 = 20 , 20 x 5 = 100 Row 3  - 3 x 7 = 21 , 21 x 7 = 147   Hence, the missing number could be 3.   Logic 2 :: Row 1 - 6 x (2+1) = 18 Row 2 - 20 x (4+1) = 100 Row 3 - 21 x (6+1) = 147   Hence, the missing number could be 6.   Therefore, 3 or 6 is the right answer.

Q: In a certain Business, the profit is 220% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit ? 1876 0

  • 1
    61%
    Correct
    Wrong
  • 2
    75%
    Correct
    Wrong
  • 3
    55%
    Correct
    Wrong
  • 4
    81%
    Correct
    Wrong
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Answer : 1. "61%"
Explanation :

Answer: A) 61% Explanation: Let C.P.= Rs. 100. Then, Profit = Rs.220,  S.P. = Rs.320.   New C.P. = 125% of Rs. 100 = Rs. 125  New S.P. = Rs.320. Profit = Rs. (320 - 125) = Rs. 195   Required percentage = 195320×100== 60.9 =~ 61%

Q: How many birthdays does the average person have? 1873 0

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Answer :
Explanation :

Any person can have only 1 birthday i.e, the day he was born. And every year we celebrate it's anniversaries.

Q: An object that has kinetic energy must be 1869 0

  • 1
    At an elevated position
    Correct
    Wrong
  • 2
    Falling
    Correct
    Wrong
  • 3
    At rest
    Correct
    Wrong
  • 4
    Moving
    Correct
    Wrong
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Answer : 4. "Moving"
Explanation :

Answer: D) Moving Explanation: In physics, we know that the kinetic energy of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Hence, An object that has kinetic energy must be in motion i.e, moving.

Q: Bind it and it walks, Loose it and it stops. What is it? 1867 0

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Answer :
Explanation :

A Sandal. It has sticking strips to make them fit for our feet. If you bind them only you can start walking or other wise it comes out.

Q: Negative divided by Negative 1867 0

  • 1
    -ve
    Correct
    Wrong
  • 2
    +ve
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    Can't be determined
    Correct
    Wrong
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Answer : 2. "+ve"
Explanation :

Answer: B) +ve Explanation: We know the Mathematical rules that   ++ = ++- = --+ = --- = +

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