Suman makes a cuboid of soil of sides 15 cm, 30 cm and 15 cm. How many

1.	Suman makes a cuboid of soil of sides 15 cm, 30 cm and 15 cm. How many such cuboids will he need to form a cube?
Answer» Volume of a cuboid = 15 x 30 x 15 = 3 x 5 x 2 x 3 x 5 x 3 x 5 = 2 x 3 x 3 x 3 x 5 x 5 x 5 In above. By Prime factorization 2 comes only one time there fore such, cuboid will he need to form a cube = 2 x 2 = 4.

Suman makes a cuboid of soil of sides 15 cm, 30 cm and 15 cm. How many such cuboids will he need to form a cube?

Answer»

Volume of a cuboid

= 15 x 30 x 15

= 3 x 5 x 2 x 3 x 5 x 3 x 5

= 2 x 3 x 3 x 3 x 5 x 5 x 5

In above. By Prime factorization 2 comes only one time there fore such, cuboid will he need to form a cube = 2 x 2 = 4.