Quantitative Aptitude Practice Question and Answer

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Answer : 3. "8.57 min"
Explanation :

Answer: C) 8.57 min Explanation: 1/10 + 1/15 = 1/6 x 3 = 1/2 1 - 1/2 = 1/2 1/10 + 1/15 - 1/x = 1/2 x = 8.57 min

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Answer : 3. "118.08L"
Explanation :

Answer: C) 118.08L Explanation: The amount of petrol left after 4 operations   = 200 × 1-402004   = 200 × 454   = 200 × 256625   = 81.92 litres   Hence the amount of kerosene = 200 - 81.92 = 118. 08 litres

Q:

The total number of females are what percent of the total number of males in the organization?

17266 3

  • 1
    90
    Correct
    Wrong
  • 2
    70
    Correct
    Wrong
  • 3
    80
    Correct
    Wrong
  • 4
    60
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 3. "80"

Q: Find the next number in the number series? 6, 6, 9, 18, 45, ? 17219 0

  • 1
    87
    Correct
    Wrong
  • 2
    99.75
    Correct
    Wrong
  • 3
    115.5
    Correct
    Wrong
  • 4
    135
    Correct
    Wrong
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Answer : 4. "135"
Explanation :

Answer: D) 135 Explanation: The given number series is 6, 6, 9, 18, 45, ? Here the series follows a pattern that, 6  6 x 1 = 6 6 x 1.5 = 9 9 x 2 = 18 18 x 2.5 = 45 45 x 3 = 135   Hence, the next number in the given number series is 135.

Q: Ian has 14 boxes of paper and divides them evenly between 4 coworkers. How many whole boxes did each coworker get? 15210 0

  • 1
    2
    Correct
    Wrong
  • 2
    2.5
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    3.5
    Correct
    Wrong
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Answer : 3. "3"
Explanation :

Answer: C) 3 Explanation: Given number of boxes = 14 Number of workers = 4 Now, number of whole boxes per worker = 14/4 = 3.5  Hence, number of whole boxes per each coworker = 3

Q: In 16 minutes, the minute hand gains over the hour hand by - 14309 0

  • 1
    16 deg
    Correct
    Wrong
  • 2
    80 deg
    Correct
    Wrong
  • 3
    88 deg
    Correct
    Wrong
  • 4
    94 deg
    Correct
    Wrong
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Answer : 3. "88 deg"
Explanation :

Answer: C) 88 deg Explanation: In one hour, the minute hand gains 330° over the hour hand. i.e., 60 minute, the minute hand gains 330° over the hour hand. ∴ In 16 minutes, the minute hand gain over the hour hand by

Q: From a container of wine, a thief has stolen 15 litres of wine and replaced it with same quantity of water. He again repeated the same process. Thus, in three attempts the ratio of wine and water became 343 : 169. The initial amount of wine in the container was: 12693 1

  • 1
    75 litres
    Correct
    Wrong
  • 2
    100 litres
    Correct
    Wrong
  • 3
    150 litres
    Correct
    Wrong
  • 4
    120 litres
    Correct
    Wrong
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Answer : 4. "120 litres"
Explanation :

Answer: D) 120 litres Explanation: wine(left)wine(added) = 343169   It means  wine(left)wine(initial amount) = 343512    (since 343 + 169 = 512)    Thus,  343x = 512x1 - 15k3    343512 = 783 = 1 - 15k3    1-15k=78=1-18    Thus the initial amount of wine was 120 liters.

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Answer : 3. "1400"
Explanation :

Answer: C) 1400 Explanation: Given the ratio of the circumference of front wheel  is 40 inches and back wheel is 70 inches  Distance covered = Circumference of the wheel × No. of Revolutions made by the wheel If n is the number of revolutions made by back wheel, the number of revolutions made by front wheel is n+15 Distance covered by both the wheels is the same 40*(n+3)=70n n=20                   Front wheel    :      Back Wheel  Circumference       40      :      70  Revolutions           35      :      20   Distance covered  :  40×35 = 70×20 = 1400 inches.

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