Question

if the compound interest on a sum for 2 years at 12 1/2% per annum is rs 510 the simple interest on the same sum the same rate for the same period of time is​

Answer 1

Answer:

Rate \%= 1212%=18=9→Amt.8→Pri.

According to the question,

17 units = Rs. 510

1 unit = Rs. 30

64 units = Rs. 30×64= Rs. 1920

Hence principal = R5. 1920

SI for 2 years

= 1212×2=25 %

Required SI = 1920×25100=Rs.480

Hence, Required SI = Rs.480