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If the price of petrol is increased by 28 by what...

This question belongs to Arithmetic Ability Percentage
Percentage
?

If the price of petrol is increased by 28%, by what percentage should the consumption be decreased by the consumer, if the expenditure on petrol remains unchanged? (Correct to 2 decimal places)

Answer & Solution
Correct Answer: Option B
Percentage mcq question image
$$\eqalign{ & = \frac{{28}}{{128}} \times 100 \cr & = 21.875\% \cr & = 21.88\% \cr} $$
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