Question

The area of a room is 15 sq m . how many tiles of length 30 cm andbreadth 20 cm will be needed to cover the floor

Answer 1

Answer:

Step-by-step explanation:

Area of room = 15m sq.

In cm sq. = 15×100× 100

=150000cm sq.

Area of tile = l×b

= 30×20

= 600 cm sq.

Total tile in room = 150000^600

= 250 tile

Answer 2

Dear Student,

● Answer -

Number of tiles = 250

● Explanation -

# Given -

Area of room = 15 sq.m = 150000 cm^2

# Solution -

Area of a tile is -

Area of tile = 30 × 20

Area of tile = 600 cm^2

Number of tiles to cover the floor is -

Number of tiles = 150000 / 600

Number of tiles = 250

Hence, 150 tiles are required to cover the floor.

Thanks dear. Hope this helps you.