Question

find the rate of interest if a sum of money becomes 4 times as much ​

Answer 1

Answer:

Now, we have to find the S.I. on it in 20 years. The money becomes 4 times in 20 years. So, SI in 20 years = 4x - x = 3x. So, the rate of interest is 15%.

Answer 2

Answer:

Now, we have to find the S.I. on it in 20 years. The money becomes 4 times in 20 years. So, SI in 20 years = 4x - x = 3x. So, the rate of interest is 15%.

Step-by-step explanation:

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