MBA Exam

A spherical ball of radius 3cmis melted and recast into three spherical balls. the redii of two balls are 1.5 cm and 2 cm the redii of third is?

1) 0.5cm
2) 1cm
3) 1.5cm
4) 2.5cm

Read Solution (Total 1)

2.5 cm

If r is radius of third ball, then
4*pi*27 = 4*pi*[ (1.5)^3+8+r^3]
r^3=15.625
r=2.5 cms
12 years agoHelpfull: Yes(1) No(0)

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