1. Ravi has spent a quarter (1/4) of his life as a boy, one-fifth (1/5) as a youth, one-third (1/3) as man and thirteen (13) years in old age. What is his present age?
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By: anil on 05 May 2019 02.00 am
Let present age = $$x$$ years Life spent as a boy = $$frac{x}{4}$$ years Similarly, life spent as youth = $$frac{x}{5}$$ years According to ques, => $$frac{x}{4}+frac{x}{5}+frac{x}{3}+13=x$$ => $$frac{15x+12x+20x}{60}+13=x$$ => $$frac{47x+780}{60}=x$$ => $$47x+780=60x$$ => $$60x-47x=780$$ => $$x=frac{780}{13}=60$$ years => Ans - (C)
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