A right circular cylinder is partially filled with water. Two iron sph – McqOptions

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1.	A right circular cylinder is partially filled with water. Two iron spherical balls are completely immersed in the water so that the height of the water in theÂ cylinder rises by 4 cm. If the radius of one ball is half of the other and the diameter of the cylinder is 18 cm, then the radii of the spherical balls are
A.	6 cm and 12 cm
B.	4 cm and 8 cm
C.	3 cm and 6 cm
D.	2 cm and 4 cm
Answer» D. 2 cm and 4 cm

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