Mathematics
A cylindrical container has sufficient water to submerge a solid cubical object of its each edge a cm. If the radius of the container is r cm, the rise in level (h cm) of water in the container is : 1. 2. 3. 4.
Related Questions
An open hollow cylindrical container, made of very thin metal sheet, has radius r cm and height h cm, its total surface area (in cm2) is :
πr2h + 2πrh
4πrh + πr2
4πrh + 2πr2
2πrh + 2πr2
The curved area of a solid cylinder is S cm2 and the circumference of its base is C cm; the height of the cylinder is :
C × S
C + S
S ÷ C
S - C
The total surface area of an open pipe of length H cm, external radius R cm and internal radius r cm, is :
πR2 - πr2 + 2π(R - r)H
2πR2 - 2πr2 + 2πRH
2πRH - 2πrh + πR2 - πr2
2(πR2 - πr2) + 2πRH + 2πrH