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1.
The base radius and height of a right circular cylinder are 5 cm and 10 cm. Its total surface area is
2.
The base area of a right circular cylinder is 16K cm³. Its height is 5 cm. Its curved surface area is
3.
A glass in the form of a right circular cylinder is half full of water. Its base radius is 3 cm and height is 8 cm. The volume of water is
4.
The ratio of the radii of two right circular cylinders is 1 : 2 and the ratio of their heights is 4 : 1. The ratio of their volumes is
5.
The base radius and height of a right circular cylinder are 14 cm and 5 cm respectively. Its curved surface is
6.
The floor of a room is a square of side 6 m. Its height is 4 m. The volume of the room is
7.
The volume of a room is 80 m³. The area of the floor is 20 m². The height of the room is
8.
If the height of a cuboid becomes zero, it will take the shape of a
9.
8 persons can stay in a cubical room. Each person requires 27 m³ of air. The side of the cube is
10.
The area of a trapezium is 40 cm². Its parallel sides are 12 cm and 8 cm. The distance between the parallel sides is