Practice30Create account

A metal ball of radius 6 cm has a hollow spherical cavity of radius 3 cm at its centre. Find the volume of metal in the ball, in . Take π = 22/7.

Competition practiceAreas & Volumes
  • A198
  • B396
  • C792
  • D1584

Step-by-Step Solution

Volume of metal = (4/3)π.
Answer: C) 792

Master this topic in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Areas & Volumes practice questions

More Areas & Volumes practice

A hollow metal sphere has external radius 10 cm and the metal is 3 cm thick everywhere.…A solid cone is cut by a plane parallel to its base passing through the midpoint of its…A solid cone has base radius 14 cm and vertical height 12 cm. A plane parallel to the…A solid cone is cut by a plane parallel to its base so that the small cone removed has…A cone has base radius 15 cm and vertical height 20 cm. A plane parallel to the base…