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The ratio of the ages of A and B, 8 years ago, was 2 : 3. Four years ago, the ratio of their ages was 5 : 7. What will be the ratio of their ages 8 years from now? -

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Question

The ratio of the ages of A and B, 8 years ago, was 2 : 3. Four years ago, the ratio of their ages was 5 : 7. What will be the ratio of their ages 8 years from now?

Options

  • 5 : 6

  • 3 : 4

  • 7 : 8

  • 4 : 5

MCQ

Solution

4 : 5

Explanation:

A   B
2 × 2 : 3 × 2
`↑` 4   `↑` 4
5 : 7

 : 1 `->` 4

Now 

A   B
(5 × 4 + 12) : (7 × 4 + 12)
32 : 40
4 : 5
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Problems Based on Ages (Entrance Exam)
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