in what time will RS 72 become RS 81 25 per annum simple interest solv – InterviewSolution

1.	in what time will RS 72 become RS 81 25 per annum simple interest solve the question
Answer» Interest = Rs. (81-72) = Rs. 9Let the time be t years.9 = (72×25×t)/(4×100)t=(9×400)/(72×25)=2 years

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