A hemispherical bowl of internal diameter 36cm contains liquid. This liquid is filled into 72 cylindrical bottles of diameter 6cm. Find the height of each bottle, if 10% liquid is wasted in this transfer.
A
50 cm
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B
5.2 cm
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C
5.4 cm
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D
6.0 cm
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Solution
The correct option is C5.4 cm Diameter =36 cm, then radius =18 cm
Volume of hemispherical bowl =23πr3=23×227×(18)3=12219.43cm3
Given radius of cylinder =3 cm
Volume of cylinder =πr2h
Volume of 72 bottles =227×(3)2×h×72
10% of 12219.943=1221.943 is wasted
Remaining volume of liquid =12219.943−1221.943=10997.487cm3