a sum at simple interest at 13 1 2 per annum amounts, Simple Interest, General Mathematics

Question:A sum at simple interest at` 13 1/2%` per annum amounts to Rs. 2502.50 after 4 years. Find the sum.

Answer Let sum be x. Then,

S.I.` =(x xx 27/2 xx 4 xx 1/100)`

    `= (27x)/50`

:. Amount` = (x + (27x)/50)`

              `= (77x)/50`

`:. (77x)/50 = 2502.50 or x`

`= (2502.50 xx 50)/(77)`

`= 1625`

Hence, sum = Rs. 1625

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A sum at simple interest at` 13 1/2%` per annum amounts to Rs. 2502.50 after 4 years. Find the sum.

Question:A sum at simple interest at` 13 1/2%` per annum amounts to Rs. 2502.50 after 4 years. Find the sum.

Answer Let sum be x. Then, S.I.` =(x xx 27/2 xx 4 xx 1/100)` `= (27x)/50` :. Amount` = (x + (27x)/50)` `= (77x)/50` `:. (77x)/50 = 2502.50 or x` `= (2502.50 xx 50)/(77)` `= 1625` Hence, sum = Rs. 1625