(a) 4(b)5In 10 years, A will be twice as old as B was 10 years ago, If – InterviewSolution

InterviewSolution

1.

(a) 4(b)5In 10 years, A will be twice as old as B was 10 years ago, If A is now 9 yearsolder than B, the present age of B is:(d) 49 vears

Answer»

Let B's present age = x years.

Then,

A's present age = (x + 9) years.

(x + 9) + 10 = 2(x - 10)

=> x + 19 = 2x - 20

=> x =39

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