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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  1. \( 6 \frac{58}{107} \% \)
  2. \(5 \frac{11}{107} \% \)
  3. \(3 \frac{49}{107} \% \)
  4. \(4 \frac{99}{107} \%\)

Answer (Detailed Solution Below)

Option 1 : \( 6 \frac{58}{107} \% \)
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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,

F1 Other Arbaz 30-10-23 D8

Percentage decrease in consumption = 7/107 × 100

⇒ \( 6 \frac{58}{107} \% \)

∴ The correct answer is  \( 6 \frac{58}{107} \% \).

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