At the same rat of simple interest in pr...

At the same rat of simple interest in present per annum, if a principle becosmes the amount of ₹ 7400 in 8 years and of ₹ 6200 in 4 years, then determine the principal and rate of simple intest in percent per annum.

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Principal = ₹ 5000, rate of interest = 6%

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