Question

41. A meeting hall is 54 m long and 30 m wide.
The dimensions (in m) of the largest
square tile that can cover the floor of the
halls is
A) 3 x 3
B) 6 x 6
C) 8x8
D) 9/2×9/2​

Answer 1

Answer:

Sides of the floor =5m and 3m

Length=500cm and Breadth300cm [ 1m =100cm]

Area of the floor =lb=500×300=150000cm

2

.

Square tile : Side =25cm

∴ Area of a tile =25×25=625cm

2

∴ No. of tiles required = Area of the floor ÷ Area of a tile =150000÷625=240.

∴240 square tiles are required to cover the room.