Question

41. At what rate per cent per annum simple interest, will a certain sum of money becomes double in 10 years? (of fata statement হাৰৰ সৰল সুতত এক নির্দিষ্ট পৰিমাণৰ ধন 10 বছৰত দুগুণ হ’ব?) 100/​

Answer 1

Answer:

Let the Principal be 100. Rate = 100/10 = 10%. ∴ The rate of interest is 10%.