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1. A rectangular tank 10 inch by 8 inch by 4 inch is filled with water. If all of the water is to be transferred to cube-shaped tanks, each one 3 inches on a side, how many of these smaller tanks are needed?

  • A. 9
  • B. 9
  • C. 9
  • D. 9

Answer: Option B

Explanation:


Volume of the rectangular tank = 10×8×4 = 320 in3

Volume of a smaller tank = 33  = 27 in3

Number of smaller tanks needed = 320/27 ≈ 12


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