A plank of wood 4.25 m long and 3.4 m wide is to be cut into square pieces of equal size. How many square pieces of largest size can be cut from the plank, if no wastage is allowed ?

A cube is painted red on all its faces and then cut into 27 smaller cubes of equal size. How many small cubes will have exactly two faces painted?

A cube is painted on all faces and cut into 27 equal cubes. How many smaller cubes have exactly two painted faces?

The length of the longest pole that can be placed in a room 12 meters long, 9 meters wide, and 8 meters high is

The length of a room is 21/16 times its breadth and breadth is 4/3 times its height. If H is the height of the room and L is the longest rod that can be placed in the room, then which one of the foll…

The radius of a solid sphere of some metal is 3 cm. How long a wire of diameter 4 mm can be drawn from it?