Question

floor tiles are 25 cm squares.how many tiles will be needed for a rectangular lawn 12 m long and 10 m wide . find the total cost at the rate of 8rs. per tiles .

Answer 1

area of the lawn=12x10=120m2=12000cm2
area of the tiles=25x25=625cm2
no of tiles=12000÷625=19.2 tiles

total cost=19.2x8=153.6 rupees.