HOTS Mathematics Primary 5 Volume

Ravi has a cube-shaped container with a side length of 12 cm and a cuboid-shaped container with a base of 15 cm by 8 cm. Both containers have the same volume. What is the height of the cuboid?

A 1.2 cm
B 9.6 cm
C 12 cm
D 14.4 cm
Show Worked Solution

Worked Solution

Step 1: Find the volume of the cube. Volume of cube = side³ = 12 × 12 × 12 = 1728 cm³ Step 2: Since both containers have the same volume, the cuboid volume is also 1728 cm³. Step 3: Use Volume = length × breadth × height to find the cuboid height. 1728 = 15 × 8 × h 1728 = 120 × h h = 1728 ÷ 120 h = 14.4 cm The height of the cuboid is 14.4 cm.

Correct answer: 14.4 cm

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