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A sum amounts to Rs. 5600 in 4 years and...

A sum amounts to Rs. 5600 in 4 years and Rs. 6400 in 6 years at a certain rate of simple interest. Find the rate of interest per annum and the sum.

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To solve the problem step by step, we need to find the principal amount (sum) and the rate of interest per annum using the information provided. ### Step 1: Set up the equations based on the given amounts We know that: - The amount after 4 years is Rs. 5600. - The amount after 6 years is Rs. 6400. Using the formula for the amount in simple interest: ...
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