Arithmetichard · Past Paper
What is the ratio of SI and CI on a certain sum for 2 years at 10% per annum?
A20:21
B10:11
C5:6
D21:20
✓ Correct Answer: A — 20:21
SI = 0.2P. CI = P(1.1^2 - 1) = 0.21P. Ratio SI/CI = 0.2/0.21 = 20/21.
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