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The dimensions of cuboid are 18 cm × 12cm × 10cm. 7 spheres of radius 3cm are dropped into it so that they are completely immersed find volume of cuboid

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Solution: 

Dimensions of cuboid  \= 18	imes 12	imes 10 

Radius of sphere\= 3 cm

Volume of cuboid \= (18	imes 12	imes 10)cm^3 

Volume of 7 spheres  \ =(4/3)	imes (22/7)	imes 3	imes 3	imes 3	imes 7=792cm^3

Volume of remaining cuboid \ =2160-792=1368cm^3

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Deependra Verma

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