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A cylindrical tub of radius 12cm …

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A cylindrical tub of radius 12cm contains water to a depth of 20cm. A spherical ball is dropped into the tub and the level of water is raised by 6.75cm. Find the radius of ball

Posted by Rishabh Pandey 6 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Yashi .... 6 years, 1 month ago

Solution: let 'r' be the radius of spherical ball. ◆Volume raised by shperical ball=6.75cm. ◆Vol. of spherical ball = vol. of water displaced in cylindrical tub. ◆4/3pie r^3= pie r^2h ◆r^3=3/4×12×12×6.75 ◆r^3=729 cm^3◆r=9 cm.

3Thank You

Yashi .... 6 years, 1 month ago

9 cm.

2Thank You

Aadya Singh ? 6 years, 1 month ago

Radius of ball is 9 cm.

3Thank You

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