A sum of money doubles itself in 7 years. In how many years it becomes four fold?
Question
A sum of money doubles itself in 7 years. In how many years it becomes four fold?
Solution
The problem states that the sum of money doubles in 7 years.
Since the money doubles in 7 years, it means that it will double again in another 7 years.
So, to become four times (or four fold), it will take 7 years to double once and another 7 years to double again.
Therefore, it will take 14 years for the sum of money to become four times its original amount.
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