Quantitative Aptitude Practice Question and Answer

Q: If m:n=3:2, then (4m+5n):(4m-5n) equal to- 320 0

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

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? 344 0

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

Q: No. of girls in a class is 20% more than the no. of boys. There are total 66 students in a class. If 4 more girls are admitted in the class, the ratio of no. of boys and girls in the class will be- 13 0

  • 1
    1:2
    Correct
    Incorrect
  • 2
    3:4
    Correct
    Incorrect
  • 3
    1:4
    Correct
    Incorrect
  • 4
    3:5
    Correct
    Incorrect
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Answer : 2. "3:4"
Explanation :

Q: The difference between two numbers is 45% of their summation. The ratio of the larger number to the smaller number will be- 5 0

  • 1
    20:9
    Correct
    Incorrect
  • 2
    9:20
    Correct
    Incorrect
  • 3
    29:11
    Correct
    Incorrect
  • 4
    11:29
    Correct
    Incorrect
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Answer : 3. "29:11"
Explanation :

Q: If (\(4a ^2\)-\(3b^2\)):(\(2a ^2\)+\(5b ^2\))=12:19, then a:b=___ 82 0

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

Q: If 2A=3B=4C, then A:B:C will be- 59 0

  • 1
    2:3:4
    Correct
    Incorrect
  • 2
    4:3:2
    Correct
    Incorrect
  • 3
    6:4:3
    Correct
    Incorrect
  • 4
    3:4:6
    Correct
    Incorrect
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Answer : 3. "6:4:3"
Explanation :

Q: If A:B:C=2:3:4, then the ratio \( {A \over B}\) :\( {B \over C}\):\( {C \over A}\) will be 39 0

  • 1
    8:9:16
    Correct
    Incorrect
  • 2
    8:9:12
    Correct
    Incorrect
  • 3
    8:9:24
    Correct
    Incorrect
  • 4
    4:9:16
    Correct
    Incorrect
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Answer : 3. "8:9:24 "
Explanation :

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 38 0

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

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