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The dimensions of a floor are 18 × 24 What is the smallest number of identical square tiles that pave the entire floor without the need to break any tile?
  • a)
    6
  • b)
    24
  • c)
    8
  • d)
    12
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The dimensions of a floor are 18 × 24 What is the smallest numbe...
LCM of 18, 24 = 72
Area of the floor = 18 × 24 = 432
the smallest number of identical square tiles that pave the entire floor without the need to break any tile
⇒ (LCM2)/Area 
⇒ (72 × 72)/432 = 12 
We can rather check by the options, the square of which of the options have a multiple in 432.
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Most Upvoted Answer
The dimensions of a floor are 18 × 24 What is the smallest numbe...


Explanation:

Given Dimensions:
- Length of the floor = 18 units
- Width of the floor = 24 units

Finding the dimensions of the square tiles:
To find the dimensions of the square tiles that can perfectly pave the entire floor without the need to break any tile, we need to find the greatest common divisor (GCD) of the given dimensions.

Calculating the GCD:
GCD(18, 24) = 6

Calculating the number of tiles:
To find the number of identical square tiles needed to pave the entire floor, we divide the total area of the floor by the area of each square tile.
- Total area of the floor = 18 * 24 = 432 square units
- Area of each square tile = 6 * 6 = 36 square units

Number of tiles = Total area of the floor / Area of each tile
Number of tiles = 432 / 36 = 12

Therefore, the smallest number of identical square tiles that pave the entire floor without the need to break any tile is 12. Option 'D' is the correct answer.
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The dimensions of a floor are 18 × 24 What is the smallest number of identical square tiles that pave the entire floor without the need to break any tile?a)6b)24c)8d)12Correct answer is option 'D'. Can you explain this answer?
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