Question

a hall measures 16 metres by 12 metres. How many square tiles of side 25 centimetre will be required to pave it's floor​

Answer 1

Answer:

31

Step-by-step explanation:

Length of the hall = 16 m

Breadth of the hall = 12 m

Area = length×breadth

Area = 12×16

Area = 192 m^2

Side of one square tile = 25cm

Area of square tile = 25×25 = 625 cm^2

625 cm^2 = 6.25 m^2

Tiles required = 192/6.25

= 30.72

So 31 tiles are required

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Answer 2

Answer: 3072 tiles

Step-by-step explanation:

Area of the hall = l*b = (16*12)m^2

                           =192 m^2= 1920000cm^2

Area of one square tile= (side)^2

                                       =(25)^2= 625cm^2

No. of square tiles required= Area of the hall/Area of 1 square tile

                                             =1920000/625=3072

Thus, 3072 tiles are required.