Question

A certain sum of money lent on S.I becomes 7/5 of itself in 4 yrs. Find the rate.

Answer 1

Answer:

Step-by-step 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)%.

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Answer 2

See the attachment

Hope it helps

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