Problems of finding the no of bricks/tiles required

Riya wants to cover the floor of a hall 15 m long and 4 m wide with square tiles. If each square tile is of side 25 cm, find the number of tiles required to cover the floor of the room.

Bob wants to cover a room 3 m wide and 4 m long by squared tiles. If each square tile is side 0.5m ,then find the number of tiles required to cover the floor of the room.

Bob wants to cover the floor of a room 3m wide and 4m long by squared tiles.If each square tile is of side 0.5m, then find the number of tiles required to cover the floor of the room.

Bob wants to cover the floor of a room 3 m wide and 4 m longby squared tiles. If each square tile is of side 0.5 m, then find the number of tiles required to cover the floor of the room.

A rectangular hall is 5.25 long and 3.78 m wide. Its floor is to be covered with square tiles, each of side 21 cm. Find the cost of ties required at the rate of Rs. 5 per tile.

Ravish wants to cover his room which is 3 m wide and 4 m long by squared tiles. If each square tiles is of side 0.5 m , then find the number of tiles required to cover the floor of his room.

Ravish wants to cover his room which is 3m wide and 4m long by squared tiles.If each square tiles is of side 0.5m, then find the number of tiles required to cover the floor of his room.

Sabina wants to cover the floor of her room whose length is 4 m and breadth is 3m by square tiles. If each square tile is of side 20cm. then find the number of tiles required to cover the floor of her room.

A lane, 150 m long and 9 m wide, is to be paved with bricks, each measuring 22.5 cm by 7.5 cm. find the number of bricks required.