Question

A sum of money invested at a certain rate of simple interest doubles itself in 10 years .How much time will it triple itself at the same rate​

Answer 1

Answer:

At year 30 the original sum of money triples.

Step-by-step explanation:

We can give the sum of money m. So, in ten years if m doubles, that means in 5 years it increased by 50% that means in 15 years it will have been increased by 150%. See the pattern? Adding a zero to the end of the year number gives us the percentage increase. That means at year 30, the original sum m will have increased by 300%. This is the same as triple!

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