Question

Ci and si for a certain sum at certain rate of interest

Answer 1

si is simple interest

that means a sum will be given interest for n no of years.

if u have

100rs, u deposit for 2years @10%

si= 100*10%*2=20

amt=120

ci compounded annually

ci=100*10%"1=10,

2nd year, (100+10)*10%

110*10%=11 110+11=121