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?
A5
B3
C6
D4
A5
B3
C6
D4
Related Questions:
The length of a rectangle is of the radius of a circle. The radius of the circle is equal to the side of a square whose area is 4900 m2. What is the area (in m2) of the rectangle, if its breadth is 20 m?