Question

If the simple interest is equal to 40% of the principal amount in 8 years, in how many
years will it become equal to the principal amount?​

Answer 1

Answer :-

Let principal = Rs.100x

so,

→ Simple interest = 40% of 100x = (40 * 100x)/100 = Rs.40x .

then,

→ Rate = (SI * 100) / P * T = (40x * 100)/100x * 8 = 5%

therefore, simple interest equal to principal in years,

→ Time = (SI * 100) / (P * R) = (100x * 100) / 100x * 5 = 20 years (Ans.)

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