a cylindrical bowl of internal diameter 18cm & height 15cm if full of liquid. the whole of the liquid is to be filled in small cylindrical bottles of diameter 3cm and height 5cm. each bottle is sold for ₹5, then find the amount needed
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volume of cylindrical bowl=πr^2H
=π(9)^2 x 15
=1215π cm^3
volume of small cylindrical bottle =π(1.5)^2 x 5
=45/4 π cm^3
number of bottles filled by liquid=volume of bowl/volume of cylindrical bottle
=1215/(45/4)=108
hence
need amount=108 x 5=540 Rs
=π(9)^2 x 15
=1215π cm^3
volume of small cylindrical bottle =π(1.5)^2 x 5
=45/4 π cm^3
number of bottles filled by liquid=volume of bowl/volume of cylindrical bottle
=1215/(45/4)=108
hence
need amount=108 x 5=540 Rs
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