Question

If Simple Interest is 12.5% more than the principal and number of years(n), rate(r) are numerically in the ratio 2 : 1, then find the values of n, r.

Q: Answer-If Simple Interest is 12.5% more than the principal and number of years(n), rate(r) are numerically...

Let principal 100 Then SI 10012.5 112.5 Given the ratio of time and rate 21 Time 2x and rate x Now using formula of -SI PRT100 112.5 1002x x100 x2 112.5 2 112520 x2 2254 x 152 7.5 And time 27.5 15years

A n = 20, r = 10%

B n = 14; r = 7%

C n = 12, r = 6%

D n = 15; r = 7(1/2)%

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If Simple Interest is 12.5% more than the principal and number of years(n), rate(r) are numerically in the ratio 2 : 1, then find the values of n, r.

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