BD Merit - Freelancing, BCS, Bank, Primary, Admission, NTRCA

1 . Four years ago Sumon's age was half of what it will be in eight years. How old is Sumon?

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Answer: Option C

Explanation:

Let Sumon's age be S.

Four years ago, his age was (S - 4).

After eight years, his age will be (S + 8).

Then, S - 4 = (S + 8)/2

or, 2(S - 4) = S + 8

or, 2S - 8 = S + 8

or, 2S - S = 8 + 8

or, S = 16 years.