Question
Present age of ‘R’ is 75% more than that of ‘S’.
5 years ago, ‘R’ was 2.5 times as old as ‘S’. What is the present age of ‘S’?Solution
Let the present age of ‘S’ be ‘x’ years
Therefore, present age of ‘R’ = 1.75x years
ATQ;
(1.75x – 5) = 2.5 × (x – 5)
Or, 1.75x – 5 = 2.5x – 12.5
Or, 7.5 = 0.75x
Or, x = 10
Therefore, present age of ‘S’ = 10 years
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