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WAEC Mathematics 2009 Question 33

Question 33

Mensuration of Solids

The capacity of a water tank is 1,800 litres. If the tank is in the form of a cuboid with base 600 cm by 150 cm, find the height of the tank.

  1. A.2 cm
  2. B.20 cm
  3. C.200 cm
  4. D.2000 cm
Show the answer and explanation

Answer: B (20 cm)

Explanation

1,800 litres = 1,800,000 cm3. Height = 1,800,000 ÷ (600 × 150) = 20 cm.