Question

If the compound interest on a sum for 2 years at 12 whole 1 by 2 percent per annum is 510 the simple interest on the same sum at the same rate for the same period of time is​

Answer 1

Answer:

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Let The Principal Be Rs x

P(1+R/100)n-P = 510

P[(1+R/100)n-1] = 510

P[(1+12.5/100)2-1] = 510

P[81/64-1] = 510

17P/64 = 510

P = 510* 64 / 17 = Rs 1920

SI = 1920*12.5*2/100 = Rs 480