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A cylindrical jar, whose base has a radius of 15 cm, is filled with water upto a height of 20 cm, A solid iron spherical ball of radius 10 cm is dropped in the jar to submerge completely in water. Find the increase in the level of water (in cm). ?
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- 517/27
- 55/7
- 58/9
- 525/27
Correct Option: D
Let level of water will be increased by h cm
π x (15)2 x h = (4/3)π(10)3
∴ h = [(4/3) x 10 x 10 x 10] / [15 x 15]
= 525/27 cm
