Standard Mathematics Primary 6 Volume

A solid wooden block is 10 cm long, 8 cm wide and 5 cm tall. A rectangular hole 4 cm long, 3 cm wide and 5 cm deep is cut straight through the block from top to bottom. What is the volume of the remaining solid?

A 460 cm³
B 300 cm³
C 320 cm³
D 340 cm³
Show Worked Solution

Worked Solution

Step 1: Volume of full block = 10 × 8 × 5 = 400 cm³. Step 2: Volume of cut-out hole = 4 × 3 × 5 = 60 cm³. Step 3: Remaining volume = 400 − 60 = 340 cm³. Answer: 340 cm³

Correct answer: 340 cm³

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