1.

A solid metallic sphere of radius x cm is melted and then drawn into 126 cones each of radius 3.5 cm and height 3 cm. There is no wastage of material in this process. What is the value of x?

A. 7
B. 3.5
C. 21
D. 10.5
E. none of these
Answer» E. none of these


Discussion

No Comment Found