Arithmeticmedium · Past Paper
If the compound interest on a sum for 2 years at 12.5% is Rs. 510, find the SI.
ARs. 400
BRs. 480
CRs. 450
DRs. 500
✓ Correct Answer: B — Rs. 480
CI = P[(1+1/8)^2 - 1] = P[17/64]. 510 = P(17/64) => P = 1920. SI = (1920*2*12.5)/100 = 480.
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