Question
Five years ago from now, ratio of ages of Neha and Reema
was 3:7, respectively. If 5 years hence from now, ratio of their ages will be 5:9, then find the present age of Reema.Solution
Let age of Neha and Reema, 5 years ago from now was '3x' years and '7x' years, respectively ATQ; {(3x + 10)/(7x + 10)} = (5/9) Or, 27x + 90 = 35x + 50 Or, 8x = 40 Or, x = 5 So, present age of Reema = 7x + 5 = 7 X 5 + 5 = 40 years Hence, option a.
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