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
Answers
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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.
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