Question

A sum was invested for 6 years at simple interest at a certain

rate. Had it been invested at 3% higher rate of interest, it would have fetched Rs 540
more. The sum is
​

Answer 1

P(r+2)5 -- Pr× 5 =450

100. 100

5P(r+2−r). =450

100

2P=80×100

∴P=4,500 rupees

solution

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