Question

How many rectangular tiles 10cm by 7cm will be required to cover a floor 14m by 25/2m and what will be the cost at rs5 per hundred tiles

Answer 1

area of tile = 10cm*7cm=70cm sq.
area of floor =14*100cm*25/2*100cm=
7000cm sq. [1m= 100cm]

no.of tiles required=7000/70=700 tiles
cost of 700 tiles = 700*5/100=rs 35.