Arithmeticmedium · Past Paper
In how many years will Rs. 2000 amount to Rs. 2420 at 10% p.a. compound interest?
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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