Question

A sum of money becomes 7/4 of itself in 6 years at a certain rate of simple interest. Find the rate of interest.
A.0.12
B.12(1/2)%
C.0.08
D.0.14

Answer 1

Heya !

Here is your answer=>

Answer: option B

Let sum is Rs. 100 ,then it become 7/4 times i.e. Rs. 700/4 in 6 years.

Interest = (700/4)-100 = Rs. 300/4;

Hence, Rate = Total interest/ given time = 300/4*6 = 12(1/2)%.

Hope this helps you

Answer 2

★${\textbf{Hey..!!}}$★

A sum of money becomes 7/4 of itself in 6 years at a certain rate of simple interest. Find the rate of interest.
A.0.12
B.12(1/2)%
C.0.08
D.0.14

★${\bf{Explanation}}$★


Let sum is Rs. 100 ,then it become 7/4 times i.e. Rs. 700/4 in 6 years.
Interest = (700/4)-100 = Rs. 300/4;
Hence, Rate = Total interest/ given time = 300/4*6 = 12(1/2)%.