Question

A marble title measures 20 cm by 15 cm.How many tiles will be required to cover a wall of size 5 m by 3 m?

Answer 1

Answer:

area of wall =length×breadth

=5×3=15m²

150000cm²

area of one tile = leghth of tile ×breadthof tile

=20×15=300cm²

now,

no. of tiles=area of wall/area of one tile

=150000/300=500tiles

hope this will help you