At what rate of simple interest per annum will a sum become 2.4 times itself in 14 years?
Correct answer B. 10%
Explanation
SI = 1.4P. R = 1.4 × 100 / 14 = 10% per annum. Check: 10% for 14 years gives 140% of P as interest, so the amount is 2.4P.
Answer checked How we write and check questions
Discussion