Question

Raju lend an amount at S.I. which amount to RS 7500 in 5 years and 9500 in 9 years find the sum of money and the rate for interest

Answer 1

Some information is missing in this question:

S.I = p n r / 100

Amount = SI + Principle

S.I 1 = (7500 x r x 5) / 100 = 375 r --------------(1)

S.I. 2 = ( 9500 x r x 9) / 100 = 855 r ------------(2)