Practice30Create account

A hemisphere of solid lead with radius 7 cm is melted and recast into a solid right circular cone of base radius 7 cm.
Find the height of the cone (in cm).

Class 10Conversion of SolidsMensuration
  • A28
  • B13
  • C15
  • D14

Step-by-Step Solution

Hemisphere π*π*343. Cone π*π*. Equate: cm.
Answer: D) 14

Master this chapter in 30 minutes a day.

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

Practice 5 Similar Questions Free →

All Conversion of Solids practice questions

More Class 10 Conversion of Solids practice

A metallic sphere of radius 3 cm is melted and drawn into a cylindrical wire of length 1…A solid is in the form of a cone of radius 6 cm and height 8 cm. It is melted and recast…A solid metallic cylinder of base diameter 16 cm and height 2 cm is melted and recast…A copper rod (solid cylinder) of diameter 2 cm and length 10 cm is melted and drawn into…Half of a solid metal cylinder of radius 10 cm and height 21 cm is melted and recast…