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At what rate of simple interest will a sum of ₹2,000 amount to ₹2,720 in 4 years?
A8%
B9%
C10%
D12%
Answer & Solution
Correct answer: B. 9%
1. SI = 2720 − 2000 = 720.
2. R = SI × 100 / (P × T) = 720 × 100 / (2000 × 4).
3. R = 9%.
_Source: jkchrome SI-CI QB, p.5 — rate from amount_
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