ibps-rrb-os1 2017 · Question 57 of 74

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

Ratio & Proportion

Answer: A. 20

Let B’s age = 𝑥 So A’s age = 𝑥 − 3 𝑥−5 𝑥+1 = 3 4 𝑥 = 23 A’s age = 23−3 = 20 𝑦𝑒𝑎𝑟𝑠

Source: IBPS RRB PO Prelims 2017 Memory Based Paper (Adda247) · memory-based

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