Multiple choice

Meena's age is four times her son's present age and four seventh of her father's age. The average of the present ages of all of them is 32 years. What is the difference between the Meena's son's present age and Meena's father's present age?

  1. 44 years

  2. 48 years

  3. 46 years

  4. 42 years
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let son's age = x. Then Meena = 4x, and father = (7/4)(4x) = 7x. Average = (x + 4x + 7x)/3 = 4x = 32, so x = 8. Father-son difference = 7x - x = 48 years. Answer B is correct.

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