Mathematics · Interest

What is the rate of interest (in %) per annum if the simple interest earned on a certain sum for the 3rd year is Rs. 20 and the compound interest earned in 2 years is Rs. 41.60?

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What is the rate of interest (in %) per annum if the simple interest earned on a certain sum for the 3rd year is Rs. 20 and the compound interest earned in 2 years is Rs. 41.60?

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What is the rate of interest (in %) per annum if the simple interest earned on a certain sum for the 3rd year is Rs. 20 and the compound interest earned in 2 years is Rs. 41.60?

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