Mensuration Practice Test 7

Question : 21 of 40

Marks: +1, -0

A right cylindrical vessel is full with water. How many right cones having the same diameter and height as that of the right cylinder will be needed to store water?
(Take π = 22/7)

Validate

Solution:

Diameter and height is the same in cone and the cylinder.
Diameter = 8 cm.
Height = 6 cm.
=

{\Volume \of \cylindrical \vessel}/{\Volume \of \cone}

= Number of cones.

{πr^2h}/{1/3 πr^2h}

{π(4)^2.6}/{1/3 π(4)^2 .6}

= 3 cones.

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