Question

arjun want to make a cuboid of 5 cm 2 cm and 5cm . how many such needed to make a cube.

Answer 1

Find the LCM of 5 cm, 2cm and 5 cm:

LCM = 5 x 2 = 10 cm

Find the number of cuboids needed length-wise:

10 ÷ 5 = 2 cubes

Find the number of cuboids needed breadth-wise:

10 ÷ 5 = 2 cubes

Find the number of cuboids needed height-wise:

10 ÷ 2 = 5 cubes

Total cuboids needed:

2 x 2 x 5 = 20 cubes

Answer: 20 cuboids are needed to make it into a cube.