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  1. A hemispherical bowl of internal radius 9 cm, contains a liquid. This liquid is to be filled into small cylindrical bottles of diameter 3 cm and height 4 cm. Then the number of bottles necessary to empty the bowl is
    1. 18
    2. 45
    3. 27
    4. 54
Correct Option: D

Volume of bowl =
2
πr³
3

=
2
π × 9 × 9 × 9
3

= 486p cu. cm.
= volume of liquid Volume of 1 bottle = πR³H
= π ×
3
×
3
× 4
22

∴ Number of bottles =
486π
= 54



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