The compound interest on a certain sum for 2 years at 10% per annum is Tk. The simple interest on the same sum for double the time at half the rate percent per annum is :
সমাধান
সঠিক উত্তর: Option B
The compound interest on a certain sum for 2 years at 10% per annum is Tk. 525.
C = P(1+r/100)n
525+P = P(1+ .1)2
=>P = 2500
For Simple Interest,
I = Pnr
= 2500X4X.05 = 500
