Question

A principal doubles in 5 years at a particular rate of simple interest . in how many years will the amount of same principal at the same rate be three times the principal ??
1. 10
2. 15
3. 7 1/2
4. 12


I need with explanation...​

Answer 1

Answer:

it will take 20 years to make the same principal with the same rate of interest becomes five times.

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Answer 2

Answer:

20 year the amount of same principal at the same rate be three times of the principal

Step-by-step explanation:

it will take 20 years to make the same principal with the same rate of interest becomes five times.