Question

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) At what rate of simple interest per annum will the interest be half of the principal in 5 years?​

Answer 1

Answer:

10% per annum

Step-by-step explanation:

Let the Principal be P and Rate of interest be R.

Simple Interest (SI) = 1/2 P

Time (T) = 5 years

SI = PRT/100

=> 1/2 P = P × R × 5/100

=> R = 10%