16 glass spheres each of radius 2 cm are packed into a cuboidal box of internal dimensions 16 cm × 8 cm × 8 cm and then the box is filled with water. Find the volume of water filled in the box.
A
487.6cm3
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B
287.6cm3
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C
47.6cm3
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D
None of these
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Solution
The correct option is A487.6cm3 Volume of rectangle box=lbh=16(64)=1024cm3 Volume of 1 sphere=43πr3=33.5238cm3 Volume of 16 spheres =16(33.5238)=536.3808 Volume of liquid=1024−536.3808=487.6cm3