Ratio and Proportion Practice Question and Answer

Q:

The ratio between three number is 2 : 3 : 5 and the sum of these number is 275. Find the smallest number.

668 0

  • 1
    45
    Correct
    Wrong
  • 2
    50
    Correct
    Wrong
  • 3
    55
    Correct
    Wrong
  • 4
    60
    Correct
    Wrong
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Answer : 3. "55"

Q:

The ages of Shyam and Mohan are in the ratio of 11: 13 respectively after 7 years the ratio of their ages will be 20: 23. What is the difference in years between their ages?

714 0

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

Q: In a garden, the ratio of the number of coconut trees to that of mango trees is 5:6 respectively. If the total number of trees is 121, then how many coconut trees are there in the garden? 6828 4

  • 1
    50
    Correct
    Wrong
  • 2
    45
    Correct
    Wrong
  • 3
    56
    Correct
    Wrong
  • 4
    55
    Correct
    Wrong
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Answer : 4. "55"

Q:

The ratio between heights of two-cylinder is in the ratio of 3:5. Their volumes are in the ratio 27:80. Find the ratio between their radius.

788 0

  • 1
    3 : 4
    Correct
    Wrong
  • 2
    4 : 3
    Correct
    Wrong
  • 3
    9 : 16
    Correct
    Wrong
  • 4
    16 : 9
    Correct
    Wrong
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Answer : 1. "3 : 4 "

Q:

The length, breadth and height of a room are in the ratio 7:3:1. If the breadth and height are doubled while the length is halved, then by what percent the total area of the 4 walls of the room will be increased?

837 0

  • 1
    85%
    Correct
    Wrong
  • 2
    90%
    Correct
    Wrong
  • 3
    75%
    Correct
    Wrong
  • 4
    80%
    Correct
    Wrong
  • 5
    Cannot be determined
    Correct
    Wrong
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Answer : 2. "90% "

Q:

A sum of Rs. 110 is in the form of Rs. 2, Rs. 1 and 50 paise coins in the ratio of 1 : 2 : 3, respectively. How many 50 paise coins are there?

756 0

  • 1
    20
    Correct
    Wrong
  • 2
    60
    Correct
    Wrong
  • 3
    40
    Correct
    Wrong
  • 4
    80
    Correct
    Wrong
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Answer : 2. "60"

Q:

The diameter of two cones is the same. If the ratio of their slant height is 5 : 4, then find the ratio of their areas. 

804 0

  • 1
    2:3
    Correct
    Wrong
  • 2
    3:2
    Correct
    Wrong
  • 3
    4:5
    Correct
    Wrong
  • 4
    5:4
    Correct
    Wrong
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Answer : 4. "5:4"

Q:

The ratio of ages of Jai and Joy is 5:2. The sum of their ages is 63. After 9 years what will be the ratio of their ages?

614 0

  • 1
    5:2
    Correct
    Wrong
  • 2
    2:1
    Correct
    Wrong
  • 3
    3:2
    Correct
    Wrong
  • 4
    4:3
    Correct
    Wrong
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Answer : 2. "2:1"

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