Question

Certain sum of money borrowed at simple interest amount to Rs.2688 in three years and to Rs.2784 in

four years at the rate per annum equal to

a. 7%

b. 6%

c. 5%

d. 4%
​

Answer 1

Answer:

4%

Step-by-step explanation:

Amount in 3 years = Rs. 2688

Amount in 4 years = Rs. 2784

Thus, interest per year = 2784 - 2688 = Rs. 96

Principal amount = 2688 - (3 x 96) = Rs. 2400

Interest percentage = 96 / 2400 = 4%

Answer 2

Answer:

Step-by-step explanation:

Amount in 3 years = Rs. 2688

Amount in 4 years = Rs. 2784

Thus, interest per year = 2784 - 2688 = Rs. 96

Principal amount = 2688 - (3 x 96) = Rs. 2400

Interest percentage = 96 / 2400 = 4%

Ans:   d]4%

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