The number of balls of radius 1 cm.

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The number of balls of radius 1 cm that can be made from a sphere of radius 10 cm is
(a) 100
(b) 1000
(c) 10000
(d) 100000

Solution:

Radius of sphere (R) = 10 cm
Volume of sphere = \frac { 4 }{ 3 } \pi { R }^{ 3 }=\frac { 4 }{ 3 } \pi { (10) }^{ 3 }{ cm }^{ 3 }
ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 17 Mensuration MCQS Q27.1

A metallic spherical shell of internal and external diameters 4 cm and 8 cm, respectively is melted and recast into the form of a cone of base diameter 8 cm. The height of the cone is
(a) 12 cm
(b) 14 cm
(c) 15 cm
(d) 18 cm

Solution:

The internal diameter of the metallic shell = 4 cm
and external diameter = 8 cm

ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 17 Mensuration MCQS Q28.1

ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 17 Mensuration MCQS Q28.2

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