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 following is correct?

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 cost of plastering the four walls of a room is 25. The cost of plastering a room twice in length, breadth and height will be

In a quadrilateral ABCD, AB = 6 cm, BC = 18 cm, CD = 6 cm and DA = 10 cm. If the diagonal BD = x, then which one of the following is correct?

The length of a diagonal of a cuboid is 11 cm. 63. The surface area is 240 square cm. What is the sum of its length, breadth and height ?

Let a = 10 cm, b = 3 cm and c = 6 cm. Which of the following is true?