Question

find the compound interest on Rs 6500 for 2 years at 9% per annum

Answer 1

please refer to the attachment

Answer 2

Ci = 18.81 % { by successive % change }
100%= 6500
1 % = 6500/100= 65
CI =18.81% = 18.81 × 65=Rs 1222.65 Ans....
formula successive % Change =
= X + Y + (XY)/100
= 9 + 9 +( 9 ×9)/100
= 18+81/100
= 18 + .81
= 18.81 % = CI