If the price of petrol increased by 7%, then by what percentage should the consumption be decreased by the consumer, if the expenditure on petrol remains unchanged?

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Delhi Police Constable: Memory Based Test (Held on: 16 November 2023 Shift 1)
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Answer (Detailed Solution Below)

Option 1 :
Free
Delhi Police Constable 2025 (Easy to Moderate) Full Test - 01
100 Qs. 100 Marks 90 Mins

Detailed Solution

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Given : 

Price of petrol increased by 7%.

Formula Used : 

Expenditure = Price × Consumtion

Calculation : 

Price of petrol increased by 7%

So,

Percentage decrease in consumption = 7/107 × 100

⇒ 

∴ The correct answer is  .

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