Question

a bathroom floor having dimension of 2 m long and 1 m wide is to be paved with square tile of side 20 cm . Find the number of tile required?

Answer 1

50

Explanation:

Area of bathroom in cm²

= 200 × 100 = 20000 cm²

Each tile covers: 20² = 400 cm²

No. of tiles = 20000/400 = 50