The price of petrol rises from Rs. 80 to Rs.100. What is the percentage increase in price?

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UP Police Constable Re-Exam 2024 Official Paper (Held On: 30 Aug, 2024 Shift 2)
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  1. 20%
  2. 25%
  3. 10%
  4. 30%

Answer (Detailed Solution Below)

Option 2 : 25%
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UP Police Constable Re-Exam Full Test 10
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Detailed Solution

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Given:

Old price of Petrol = Rs 80

New price of petrol = Rs 100

Formula Used:

Percentage increase in price = (Difference/Old price) × 100

Calculation:

Difference = New price - Old price

Difference = 100 - 80 = 20

Percentage increase in price = (20/80) × 100

⇒ Percentage increase in price = 0.25 × 100

⇒ Percentage increase in price = 25%

∴ The correct answer is Option 2).

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