Q1 of 52 Page 160

Choose the correct alternative answer for each of the following question.

Find the side of a cube of volume 1 m3.

Let the side of cube be ‘a’ cm

Volume of cube, V = a3


⇒ As 1m3 = 106 cm3


⇒ a3 = 106


⇒ a = 100 cm


∴ Option (B) is correct

More from this chapter

All 52 →
1

Choose the correct alternative answer for each of the following question.

A cone was melted and cast into a cylinder of the same radius as that of the base of the cone. If the height of the cylinder is 5 cm, find the height of the cone.

 1

Choose the correct alternative answer for each of the following question.

Find the volume of a cube of side 0.01 cm.

 2

A washing tub in the shape of a frustum of a cone has height 21 cm. The radii of the circular top and bottom are 20 cm and 15 cm respectively. What is the capacity of the tub?

3

Some plastic balls of radius 1 cm were melted and cast into a tube. The thickness, length and outer radius of the tube were 2 cm, 90 cm and 30 cm respectively. How many balls were melted to make the tube?