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A room is 4 m long and 3 m 50 cm wide. How many square metres of carpet is needed to cover the floor of the room?
  • a)
    14 m2
  • b)
    14 m
  • c)
    7 m2
  • d)
    None of these
Correct answer is option 'A'. Can you explain this answer?
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A room is 4 m long and 3 m 50 cm wide. How many square metres of carpe...
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A room is 4 m long and 3 m 50 cm wide. How many square metres of carpe...
Solution:

Given, length of the room = 4 m
and width of the room = 3 m 50 cm = 3.5 m (as 1 m = 100 cm)

To find the area of the floor, we need to multiply the length and width of the room.

Therefore, area of the floor = length x width = 4 m x 3.5 m = 14 m²

Therefore, 14 square metres of carpet is needed to cover the floor of the room.

Hence, the correct option is (a) 14 m².
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A room is 4 m long and 3 m 50 cm wide. How many square metres of carpet is needed to cover the floor of the room?a)14 m2b)14 mc)7 m2d)None of theseCorrect answer is option 'A'. Can you explain this answer?
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