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A rectangular floor has to be decorated with square tiles. Length and breadth of the floor is 35m and 49m respectively. If the side of one tile is 7m, find the number of tiles needed to decorate the floor.
  • a)
    35
  • b)
    56
  • c)
    49
  • d)
    63 
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
A rectangular floor has to be decorated with square tiles. Length and ...
Dimensions of the floor.
l = 35m, b = 49m.  
Dimensions of tile = side = 7m.  
No. of tiles needed to decorate the floor  = Floor Area (Rectangle) / TileArea(Square)
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Community Answer
A rectangular floor has to be decorated with square tiles. Length and ...
Calculation:
First, we need to calculate the area of the floor:
Area = Length x Breadth
Area = 35m x 49m
Area = 1715 square meters

Number of tiles needed:
Now, we need to calculate how many tiles with a side of 7m will be needed to cover the floor.
Area of one tile = Side x Side
Area of one tile = 7m x 7m
Area of one tile = 49 square meters
Number of tiles needed = Total area of the floor / Area of one tile
Number of tiles needed = 1715 square meters / 49 square meters
Number of tiles needed = 35
Therefore, the number of tiles needed to decorate the floor is 35, which matches with option A.
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A rectangular floor has to be decorated with square tiles. Length and breadth of the floor is 35m and 49m respectively. If the side of one tile is 7m, find the number of tiles needed to decorate the floor.a)35b)56c)49d)63Correct answer is option 'A'. Can you explain this answer?
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