WAEC Mathematics 2010 Question 6

Question 6

Commercial Arithmetic

A car uses one litre of petrol for every 14 km. If one litre of petrol costs N63.00, how far can the car go with N900.00 worth of petrol?

  1. A.420 km
  2. B.405 km
  3. C.210 km
  4. D.200 km
Show the answer and explanation

Answer: D (200 km)

Explanation

N900 buys 900 ÷ 63 ≈ 14.29 litres, and 14.29 × 14 = 200 km.