Volume of a cuboid — Mensuration Aptitude Question
Volume of a cuboid: What is the volume of a cuboid measuring 12 cm × 8 cm × 5 cm? Answer and worked solution on CodeKairo.
- Topic: Mensuration
- Section: Quantitative Aptitude
- Difficulty: Easy
- Time target: 40 seconds
Question
What is the volume of a cuboid measuring 12 cm × 8 cm × 5 cm?
Options
- 380 cm³
- 440 cm³
- 480 cm³
- 520 cm³
Show the answer and the worked solution
Correct answer: C. 480 cm³
Worked solution
- Volume = 12 × 8 × 5 = 480 cm³.
Answer: 480 cm³.
The idea
Base area × height for any prism. The surface area, 2(lb + bh + hl), is a different question and often asked alongside.
Shortcut. Pair the 5 with the 12 first: 12 × 5 = 60, then 60 × 8 = 480. The volume must be a multiple of 96 (12 × 8), and only 480 is.
Common trap. 440 cm³ — slipping 12 × 8 to 88 (as if 11 × 8) and multiplying by 5; 12 × 8 is 96.