Arithmeticmedium · Past Paper
If the difference between CI and SI on a certain sum for 2 years at 4% is Rs 1, find the sum.
ARs 625
BRs 630
CRs 640
DRs 650
✓ Correct Answer: A — Rs 625
Difference = P(R/100)^2 => 1 = P(4/100)^2 => 1 = P(1/25)^2 => P = 625.
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