Question

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

Answer 1

Answer:

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