A floor which measures 15 m×8 m is to be laid with tiles measuring 50 cm×25 cm. The number of tiles required is ___
1000
960
920
900
Number of tiles required =Area of floorArea of 1 tile
=1500×80050×25
=960
Hence (b)
A floor which measures 15 m into 8 m is to be laid with tiles measuring 50 cm by 25 cm. Find the number of tiles required. Further, if a carpet is laid on the floor so that a space of 1m exists between its edges and the edges of the floor, what fraction of the flow is uncovered?