Multiple choice

Ratio of present ages of A and B is 4 : 5. After 5 years, age of B will be 35 years. What is the present age (in years) of A?

  1. 24

  2. 29

  3. 26

  4. 31
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A Correct answer
Explanation

If B's age after 5 years is 35, then B's present age is 35 - 5 = 30. Given the ratio of A to B is 4:5, we set 5x = 30, which gives x = 6. Therefore, A's present age is 4 * 6 = 24.

AI explanation

Let the present ages of A and B be 4x and 5x respectively. After 5 years, the age of B will be 5x plus 5, which is given as 35 years. Solving the equation 5x plus 5 equals 35 gives 5x equals 30, so x equals 6. Therefore, the present age of A is 4 multiplied by 6, which is 24 years.

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