1.

Question 10The radius of a hemispherical balloon increases from 6 cm to 12 cm as air is being pumped into it. The ratio of the surface areas of the balloon in the two cases is:A) 1:4B) 1:3C) 2:3D) 2:1

Answer» Question 10

The radius of a hemispherical balloon increases from 6 cm to 12 cm as air is being pumped into it. The ratio of the surface areas of the balloon in the two cases is:



A) 1:4

B) 1:3

C) 2:3

D) 2:1


Discussion

No Comment Found

Related InterviewSolutions