Six years ago, the ratio of the ages of Kunal and Sagar was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. What is Sagar's age at present?

Correct Answer: 16 years

Explanation:

Let the ages of Kunal and Sagar 6 years ago be 6x and 5x years respectively.

Then,	(6x + 6) + 4	=	11
	(5x + 6) + 4		10

⟹ 10(6x + 10) = 11(5x + 10)

⟹ 5x = 10

⟹ x = 2.

∴ Sagar's present age = (5x + 6) = 16 years.

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