Question

A sum of money at simple interest amounts Rs 1012 in 2.5 years to 1067.20 in 4 years. The rate of interest per annum i:​

Answer 1

Step-by-step explanation:

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%