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WAEC Mathematics 2004 Question 46

Question 46

Mensuration of Solids

The sides of two cubes are in the ratio 2:5. What is the ratio of their volumes?

  1. A.4:5
  2. B.8:15
  3. C.6:125
  4. D.8:125
Show the answer and explanation

Answer: D (8:125)

Explanation

Volumes go as the cube of the sides: 23 : 53 = 8 : 125.