Question

In 10 years, a certain sum of money amounted to Rs 2972.50 @ 42%. If the rate of interest remains the same, then in how many years will the sum amount to Rs 4356.25? (7062 forfata 1022977 50 ,​

Answer 1

Answer:

S.Ifor1

2

1

years=1067.20−1012=55.20Rs.

S.I.for2

2

1

years=55.20×

3

2

×

2

5

=92Rs.

Sum=1012−92=920Rs.

∴Rateofinterest=

920×5

100×92×2

=4%