a room is 5.6 M long and 3.6 M wide square tiles of size 10 cm x 10 cm are to be laid in the room how many tiles are required? calculate the cost of laying at the rate of rupees 6 for 2 tiles.
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area of room= 5.6*3.6=20.16 sq.m
area of tiles=0.01*0.01=0.0001 sq.m
no. of tiles= area of room÷area of tiles
=20.16/0.0001
= 201600
total cost of tiles= 3*201600
=Rs 604800
area of tiles=0.01*0.01=0.0001 sq.m
no. of tiles= area of room÷area of tiles
=20.16/0.0001
= 201600
total cost of tiles= 3*201600
=Rs 604800
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