Multiple choice

John used to buy petrol at the rate of 80 per litre till last month. Now he buys it at the rate of 85 per litre. By what percentage did the petrol price increase as compared to last month?

  1. $5.5%$
  2. $8.35%$
  3. $10%$
  4. $6.25%$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Percentage increase = (New - Old) / Old × 100 = (85 - 80) / 80 × 100 = 5/80 × 100 = 0.0625 × 100 = 6.25%. The formula for percent change is (difference/original) × 100.

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