Arithmetichard · Past Paper
The difference between SI and CI for 3 years at 10% p.a. on a certain sum is Rs. 31. Find the sum.
ARs. 1000
BRs. 2000
CRs. 3000
DRs. 500
✓ Correct Answer: A — Rs. 1000
Difference = P(R/100)^2 * (3 + R/100). 31 = P(0.01)(3.1) => P = 1000.
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