Question

In what time will the interest on a certain sum of money at 6% be 5/8 of itself​

Answer 1

Answer:

$let \: the \: principal \: be \: rs.8 \\ \\ s.i = \frac{5}{8} \times 8 = rs.5 \\ \\ time = \frac{si \times 100}{p \times r} \\ \\ = \frac{5 \times 100}{8 \times 6} = 10.42(approximately)$

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