At simple interest a sum becomes 49/40 of itself in 5/2 years. Find th – InterviewSolution

1.	At simple interest a sum becomes 49/40 of itself in 5/2 years. Find the rate of interest.
Answer» suppose sum is p so after interest sum will be 49p/40 so interest = 49p/40-p = 9p/40 9p/40 = (pR5)/(2×100) so R = (9×2×100)/(40×5) = 9%

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