A sum of TK. 24,500 amounts to TK. 34,300 in 5 years at a simple interest rate . What is the rate of interest ?
A
5 %
B
5%
C
6%
D
8%
Correct Answer: 8%
সুদ = ( 34300 - 24500) বা 9800 টাকা আমরা জানি, I = pnr 9800 = 24500 × 5 × r/100 r = 9800/1225 r = 8