Quantitative Aptitude Ques 1599

Question: The age of a man after 15 yr is 4 times the age of that man 15 yr before. His present age is [RRB (Clerk) 2012]

Options:

A) 10 yr

B) 15 yr

C) 20 yr

D) 25 yr

Show Answer

Answer:

Correct Answer: D

Solution:

  • Let present age of man be x yr. According to the question, $ x+15=4(x-15) $

$ \Rightarrow $ $ x+15=4x-60 $
$ \Rightarrow $ $ 3x=75 $

$ \therefore $ $ x=25yr $ Hence, the present age of man is 25 yr.

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