In the market there are three kinds of square tile:​

1 foot × 1 foot, 2 feet × 2 feet and 3 feet × 3 feet. ​

What is the minimum number of tiles required for the following room, so that the tiles can be laid without being cut?​

Q. Manoj has to lay tiles on the floor. The size of the room is 9 feet × 12 feet. In the market, there are three kinds of square tiles 1 foot × 1 foot, 2 feet × 2 feet and 3 feet × 3 feet. Which size of tile should he buy for his room, so that he can lay it without cutting?

Q. Manoj has made a new house. He wants to lay tiles on the floor. The size of the room is 9 feet × 12 feet. In the market, there are three kinds of square tiles: 1 foot × 1 foot, 2 feet × 2 feet and 3 feet × 3 feet. Which size of tile should he buy for his room, so that he can lay it without cutting?

Q. Alex is retiling his bathroom. The size of the bathroom is 25 feet x 95 feet. What is the minimum number of square tiles that can be used for tiling without cutting?

Q. The size of the room is 18 feet × 42 feet. Which is the maximum size of a square tile that can be used for tiling without cutting?​

Q. A kitchen floor has 25 tiles in an area of 5 square feet. How many tiles are in 1 square foot?