The present age of A is 3 years less than the present age of B. Ratio of B’s age 5 years ago and A’s age 4 years hence is 3 : 4 then find present age (in years) of A?

1:

20

2:

17

3:

23

4:

26

5:

29

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IBPS RRB PO Prelims 2017

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