Question

How many solid spheres each of diameter 6 cm could be moulded to form a solid metal cylinder of height 45 cm and diameter 4 cm?

• A. 5
• B. 3
• C. 6
• D. 4

Answer 1

Answer:

A. 5

Volume of one sphere x Number of sphere = Volume of Cylinder 4/3πr³ x N = πr²h 4/3 x π x 3 x 3 x 3 x N = π x 2 x 2 x 45 N=5 No of Spheres=5