Question

How many tiles whose length and breadth are 12 cm and 5 cm respectively will be needed to fit in a rectangular region whose length and breadth are:

70 cm and 36 cm

Answer 1

Area of rectangle = 70 × 36

= 2520 cm²

Area of one tile = 5 × 12

= 60 cm²

Number of tiles =`"(Area of rectangle)"/"(Area of one tile)"`

= `2520/60`

= 42

Hence, 42 tiles are needed.