Quantitative Abilities Practice Question and Answer

Q: The ratio of number of students taking admission in a organisation X and Y was 5:8. If 20% of students exceed in organisation X and 10% of students exceed in organisation Y, then new ratio of students is 4823 1

  • 1
    15:22
    Correct
    Wrong
  • 2
    15:16
    Correct
    Wrong
  • 3
    5:4
    Correct
    Wrong
  • 4
    5:7
    Correct
    Wrong
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Answer : 1. "15:22"

Q: If A: B=3:4, B:C=8:9, and C:D=15:16, Find A:D 1891 1

  • 1
    5:8
    Correct
    Wrong
  • 2
    5:7
    Correct
    Wrong
  • 3
    15:32
    Correct
    Wrong
  • 4
    20:44
    Correct
    Wrong
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Answer : 1. "5:8"

Q: There are Rs.300 in a box in denomination of Rs.1, 50 paisa and 25 paisa and in the ratio 2:4:8. Find the number of coins of 25 paisa 6319 3

  • 1
    300
    Correct
    Wrong
  • 2
    200
    Correct
    Wrong
  • 3
    400
    Correct
    Wrong
  • 4
    100
    Correct
    Wrong
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Answer : 3. "400"

Q: If 2A=3B=4C, then A:B:C will be- 5130 1

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

Q: If (\(4a ^2\)-\(3b^2\)):(\(2a ^2\)+\(5b ^2\))=12:19, then a:b=___ 4913 3

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

Q: Milk and water are in 7:2 ratio in a mixture of 729 litres. How much water shall be mixed in it in order to change this ratio to 7:3? 10962 7

  • 1
    81
    Correct
    Wrong
  • 2
    72
    Correct
    Wrong
  • 3
    45
    Correct
    Wrong
  • 4
    56
    Correct
    Wrong
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Answer : 1. "81"

Q: If m:n=3:2, then (4m+5n):(4m-5n) equal to- 7305 4

  • 1
    4:9
    Correct
    Wrong
  • 2
    9:4
    Correct
    Wrong
  • 3
    11:1
    Correct
    Wrong
  • 4
    9:1
    Correct
    Wrong
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Answer : 3. "11:1"

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