Question
12 years ago from now, ratio of ages of ‘R’ and
‘L’ was 3:5, respectively. If ‘L’ is 8 years elder to ‘R’, then what will be the age of ‘L’, 4 years hence from now?Solution
12 years ago from now, let ages of ‘R’ and ‘L’ be ‘3x’ years and ‘5x’ years, respectively. So, 5x – 3x = 12 Or, 2x = 12 Or, x = 6 Present age of ‘L’ = 5x + 8 = 5 × 6 + 8 = 38 years Age of ‘L’, four years hence from now = 38 + 4 = 42 years
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