Rs. 5,600 lent at simple interest earns Rs. 1,512 as interest in 3 years. What is the rate of interest per annum?
Correct answer C. 9%
Explanation
R = SI × 100 / (P × T) = 1512 × 100 / (5600 × 3) = 151200 / 16800 = 9% per annum.
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