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Question

From a solid cylinder whose height is 8 cm and radius is 6 cm a conical cavity of height 8 cm and base radius 6 cm is hollowed out Find the volume of the remaining solid

A
603cm3
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B
720cm3
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C
548cm3
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D
637cm3
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Solution

The correct option is A 603cm3
GIven h=8 cm r=6 cm
Vcylinder=πr2h
Vcone=13πr2h
Vsolid=VcylinderVcone
=πr2h(113)
=23πr2h
=23×227×6×8
=603cm2
'

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