Quantitative Aptitude :: Problems on Ages - Discussion

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Explanation:
As per Formula:
(If the given ages in a ratio a : b then age will be ax and bx)

so priya age = 2x and riya age = 5x.
So After 8 years their age ratio
(2x + 8)/(5x + 8) = 2/3
=> 6x + 24 = 10x + 16
=> 4x = 8
=> x = 2
so priya age will be 4 years and riya age will be 10 years

So their sum of age (priya and riya) = 14