Question

how long will it take rs5660 invested at 10 percent per annum simple interest to amount to rs7641​

Answer 1

Answer:

Solution.    Here, P = Rs 5660, A = Rs 7641, R = 10% p.a.

              I = A — P = Rs 7641 — Rs 5660 = Rs 1981

              Let T years be the required time.

  Using    T = I∗100P∗R,

we get T = 1981∗1005660∗10

               

              = 1981566

               

               = 72 = 312

          Hence the required time = 312 years = 3 years 6 months.

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