Question

27. A sum of money invested at a certain rate of
simple interest doubles itself in 12 years 6
months. It will treble itself at the same rate
of interest in? ans = 25 years how in full explanation
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Answer 1

Answer:

amount trible itself..

Step-by-step explanation:

x money deposited and became double means 2x in the period of 12.5 years. Again 2x deposited for same period of 12.5 years. so end of 25 year amount reached 4x. here your investment is x. you minus x amount from 4x.

results is 3x ...so growth is tribble time itself.