Arithmetichard · Past Paper
If the price of petrol increases by 25%, and a person wants to spend only 10% more on petrol, by how much % should he reduce consumption?
A12%
B15%
C12.5%
D10%
✓ Correct Answer: A — 12%
Let original P=100, Q=100. New P=125. Target Exp=110. New Q = 110/1.25 = 88. Reduction = 12%.
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