Class 10 Maths1)A cylindrical pencil sharpened at one edge is the combination of

Correct Option: C

a cone and a cylinder

Class 10 Maths2)A shuttlecock used for playing badminton has the shape of the combination of

Correct Option: D

frustum of a cone and a hemisphere

Class 10 Maths3)A solid formed on revolving a right angled triangle about its height is

Correct Option: A

right circular cone

Right circular cone is formed.

Class 10 Maths4)A cylinder and a cone are of same base radius and of same height. The ratio of the volume of the cylinder to that of the cone is

Correct Option: B

3:1

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