সব প্রশ্নে ফিরে যান
Math
In what time will the simple interest on Tk. 400 at 10% per annum be the same as the simple interest on TK. 1000 4 years at 4% per annum?
A) 3 years
B) 4 years
সঠিক উত্তর
C) 5 years
D) 6 years