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WAEC Mathematics 2005 Question 47

Question 47

Mensuration of Solids

A rectangular packet has inner dimension 16 cm by 12 cm by 6 cm. How many cubes of sugar of side 2 cm can be neatly packed into the packet?

  1. A.90
  2. B.144
  3. C.150
  4. D.288
Show the answer and explanation

Answer: B (144)

Explanation

8 × 6 × 3 = 144 cubes fit along the three edges.