Question

Here are the dimensions, in cm, of four cuboids.

Which one has a volume of 30 cm3?
A
B
с
D
1 x 1 x 5
5 x 10 x 15
2 x 3 x 5
1 x 2.5x4

Answer 1

1 x 1 x 5 = 5cm3
5 x 10 x 15 = 750cm3
2 x 3 x 5 = 30 cm3
1 x 2.5 x 4 = 10 cm3

So, the answer is C

Answer 2

C) 2 × 3 × 5

Explanation:

Volume of a cuboid = lbh = 30 cm³

A) 1 × 1 × 5 = 5 cm³ ≠ 30 cm³

B) 5 × 10 × 15 = 750 cm³ ≠ 30 cm³

C) 2 × 3 × 5 = 30 cm³ ✔

D) 1 × 2.5 × 4 = 10 cm³ ≠ 30 cm³

=》The correct option is C) 2 × 3 × 5 as it makes 30 cm³, which is the required volume.

Hope it helps ⚜