Question

how many square tiles of side 25cm will be required to cover the floor of a corridor which is 8 metre long and 6 metre broad?​

Answer 1

Given :

• Length of floor of corridor = 8m
• Breadth of floor of corridor = 6m
• Side of square tile = 25cm

To find :

Number of square tile required to cover floor

Formula used :

• Area of rectangle = length × breadth
• Area of square = side × side

Solution :

1. First of all we need to find area of floor of corridor.
2. After that we will find area of square tile.
3. Then , area of floor of corridor = Number of tile × area of one tile

1) Area of floor of corridor = length × breadth

➝ Area of floor of corridor = (8×100 cm) × (6×100cm)

➝ Area of floor of corridor = 480000 cm²

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2) Area of square tile = side × side

➝ Area of square tile = 25 cm × 25cm

➝ Area of square tile = 625 cm²

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3) Number of square tile × Area of one tile = Area of floor of corridor

➝ Number of square tile × 625cm² = 480000 cm²

➝ Number of square tile = 480000cm² ÷ 625cm²

➝ Number of square tile = 768 tiles

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ANSWER : 768 square tiles