What is the ratio of the simple interest on a sum at 5% per annum for 4 years to the simple interest on the same sum at 8% per annum for 3 years?
Correct answer C. 5 : 6
Explanation
SI ratio = (5 × 4) : (8 × 3) = 20 : 24 = 5 : 6, since the principal is the same.
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