Question
Five years ago from now, ratio of ages of Ram and Shyam
was 3:4, respectively. If 5 years hence from now, ratio of their ages will be 5:6, then find the present age of Ram.Solution
Let age of Ram and Shyam, 5 years ago from now was '3x' years and '4x' years, respectively ATQ; {(3x + 10)/(4x + 10)} = (5/6) Or, 18x + 60 = 20x + 50 Or, 2x = 10 Or, x = 5 So, present age of Ram = 3x + 5 = 3 X 5 + 5 = 20 years Hence, option a.
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