AP ICET 2017 Shift 2 Paper

Question : 126 of 200

Marks: +1, -0

In 10 years. A will be twice as old as B was 10 years ago. If A is 9 years older than B then the present age (in years) of B is

Solution:

Let the present ages of A and B be ‘a’ years and ‘b’ years respectively.

∴a=b+9

...(i)

a+10=2(b-10)⇒b+19=2b-20

⇒b=39

years

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