Mensuration Practice Test 3

Question : 23 of 40

Marks: +1, -0

A cuboid that measures 6 cm × 12 cm × 15 cm is cut into exact number of equal cubes. The least possible number of cubes without any wastages will be ____ .

Validate

Solution:

Volume of cuboids = l × b × h
= 6 × 12 × 15
= 1,080

cm^3

By factorization = 1,080
= 2 × 2 × 2 × 3 × 3 × 3 × 5
The maximum height of the cuboid = 6 cm
So, the least number of possible cubes = 5

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