. A metallic sphere of radius 21 cm is dropped into a cylindrical vessel, which is partly filled with water. The diameter of the vessel is 1.68 m. If th

A. 1 cm
B. 1.75 cm
C. 2 cm
D. 2.75 cm

Answer ||| B

Solution |||

Volume of the sphere =

Let, the water level raised is h cm

So, the raised volume of the vessel = r²h

Equating both the volumes,

4R³ = 3r²h

h = cm

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