Question

What should be the rate of interest todouble the principle of rs1200 in 8 years?

Answer 1

Answer:

Principal (P) :- ₹1200

S.I. :- ₹1200

Time(T) :- 8years

Rate of Interest = S.I. × 100 / P × T

1200 × 100 / 1200 × 8

25/2

The rate of interest = 25/2 % or 12.5 %

Hope it helps