Arithmetichard · Past Paper
The simple interest on a certain sum of money for 2.5 years at 12% p.a. is Rs 40 less than the simple interest on the same sum for 3.5 years at 10% p.a. Find the sum.
ARs 6000
BRs 8000
CRs 7000
DRs 4000
✓ Correct Answer: B — Rs 8000
(P*3.5*10)/100 - (P*2.5*12)/100 = 40 => 0.35P - 0.3P = 40 => 0.05P = 40 => P = 8000.
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