A right circular cylinder having diameter 12 cm and height 15 cm is full of ice-cream. The ice cream is to be filled in identical cones of height 12 cm and diameter 6 cm having a hemispherical shape on the top. Find the number of cones required.
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H OF CYLINDER = 15 CM
R OF CYLINDER = 6 CM
VOLUME OF CYLINDER = πxrxrxh
= πx12/2x12/2x15
= TX6X6X15
= 540π
H OF CONE = 12CM
R OF CONE = 3CM
VOL OF 1 CONE =VOL OF CONE + VOL OF HEMI-SPHERE
= 1/3 πrrh + 2/3πrrr
= TX3x12+2x π X3X3
= 36π + 18π
= π(36+18)
= 54π
No. OF CONES = VOL OF CYLINDER/ VOL OF CONE = 540π/54π
.NO.OF. CONES = 10
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