Present age of A is 3 years less than present age B.Ratio of B's age 5 year ago A's age 4 year hence is `5:8` then find present age(in years) of A.

Options

A. 12
B. 17
C. 23
D. 26

Answer

A

Explanation

Let B's age `=x`
So A's age `=x-3`
`(x-5)/(x+1)=(5)/(8)rArr 8x-40=5x+5`
`x=15`
A's age `=15-3=12 years`