Arithmeticmedium · Past Paper
In how many years will Rs 2000 amount to Rs 2420 at 10% compound interest per annum?
A1 year
B2 years
C3 years
D4 years
✓ Correct Answer: B — 2 years
2420 = 2000(1.1)^T => 1.21 = 1.1^T => T = 2.
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