Multiple choice

Petrol & Kerosene are mixed in the ratio of 3:18. Total Volume of the mixture is 300 litres. Find the composition of Petrol in the overall mixture?

  1. $257.14$
  2. $44.86$
  3. $39.86$
  4. $42.86$
  5. $56.21$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The ratio of Petrol:Kerosene is 3:18, meaning for every 21 parts total, petrol is 3 parts. Petrol percentage = 3/(3+18) × 100 = 3/21 × 100 = 14.2857%. In 300 litres, petrol = 300 × 3/21 = 42.857 litres. Option D (42.86) matches this calculation when rounded.

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