A cube and a sphere made of cast iron (each of volume 1000 cm ) were cast under identical conditions. The time taken for solidifying the cube was 4 s. The solidification time (in s) for the for the sphere is ________.

A cube and a sphere made of cast iron (each of volume 1000 cm ) were c

1.	A cube and a sphere made of cast iron (each of volume 1000 cm ) were cast under identical conditions. The time taken for solidifying the cube was 4 s. The solidification time (in s) for the for the sphere is ________.
A.	6.157 sec
B.	6.154 sec
C.	5.157 sec
D.	None of these
Answer» B. 6.154 sec

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A cube and a sphere made of cast iron (each of volume 1000 cm ) were cast under identical conditions. The time taken for solidifying the cube was 4 s. The solidification time (in s) for the for the sphere is ________.

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