Question

A rectangular hall measuring 4m by 3m is to be covered by rectangular tiles measuring 25cm by 8cm, Find the number of tiles required.

Answer 1

4 m = 400cm

3 m = 300cm

Area of the hall is = (300×400)cm

= 120000cm

Area of each tiles = (25×8)cm

= 200cm

Number of tiles required = (12000÷200 ) cm

= 600cm

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Answer 2

Answer:

600 tiles are required.

Step-by-step explanation:

It is given that, a swimming pool measuring 4m by 300cm is to be converted by a rectangular tiles measuring 25cm by 8cm

To find the area of swimming pool

Area of rectangle = Length * Breadth

Here length = 4m = 400 cm

Breadth = 300 cm  

Area = 400 * 300 = 120000 cm²

To find the area of one tile

Area = Length * Breadth

Here Length = 25 cm  

Breadth = 8 cm  

Area = 25 * 8 = 200 cm²

To find the number of tiles required

Number of tiles = Area of pool/Area of one tile = 120000/200 = 600  

Therefore number of tiles required = 600 tiles

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