Question

a cylindrical ice cream pot of radius 6cm and height 21 cm is full of ice cream the ice cream is to be filled in cones of height 12 cm and radius 3cm how many such cones can be filled with ice cream

Answer 1

volume of the cylinder = πr²h = 22/7 * 6 * 6 * 21 = 2376 cm

volume of cone = 1/3πr²h = 1/3 * 22/7 * 3 * 3 12 = 113.14 cm

therefore number of cones = 2376/113.14 = 21 cones .

I hope it helps…………… 

Answer 2

To find the no. of cones
we will find the volume of the cylinder containing ice cream nd then the volume of the cone and divide them.
so,
solution:
radius of the cylinder = 6 cm
                   height = 21 cm
volume of the cylinder = πr²h
                                    = 756π  cm³
                                   
now,
radius of cone = 3 cm
height = 12 cm
volume of cone = 1/3πr²h
                         = 1/3*π*3*3*12
                         = 36π cm³

so,
no. of cones = 756π/36π
                     = 21 cones
hope it helps u !!!!!
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