College of Admission Tests Multan

Volume and Surface Area

Solve the question of and select the option from the choices A through D/E. Check your Answer and view the explanation.

Question: 4

A rectangular tank 10 inches by 8 inches by 4 inches is filled with water. If the water is to be transferred to smaller tanks in the form of cubes 4 inches on a side, how many of these tanks are needed?
  • 4
  • 5
  • 6
  • 7
  • 8

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Correct Answer: B

V = l · w · h = 10 · 8 · 4 = 320 cubic inches

Each small cube = 43 = 64 cubic inches. Therefore it will require 5 cubes.