A floor which measure 15m*8m to be laid with tiles measuring 50cm by 25cm. Find the number of the required. Further, if a carpet is laid on the floor so that a space of 1m exist between its edge and the edge of the floor,what fraction of the floor is uncovered?
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Area of the floor =15m *8m
=1500cm*800cm
=1200000 sq. cm
area of one tile=50*25=750 sq. cm
No. of tiles required=1200000/ 750
=16000
space between each edge=1m
therefore the dimensions of the carpet will be (15-2)*(8-2)
area of carpet=l*b
=13*6
=78 sq.m
area of floor uncovered=120m-78m
=52sq.m
=1500cm*800cm
=1200000 sq. cm
area of one tile=50*25=750 sq. cm
No. of tiles required=1200000/ 750
=16000
space between each edge=1m
therefore the dimensions of the carpet will be (15-2)*(8-2)
area of carpet=l*b
=13*6
=78 sq.m
area of floor uncovered=120m-78m
=52sq.m
you answer is wrong
madar chod
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