1.

In how much time would the simple interest on a certain sum be 0.125 times the principal at 10% per annum?

Answer»

1 1/4 years



Let SUM = X. Then, S.I. = 0.125x = 1/8 x, R = 10%

TIME = (100 * x) / (x * 8 * 10) = 5/4 = 1 1/4 years.



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