Question

find the least number of square tiles by which the floor of the room of dimensions 20 meters by 15 meters can be covered completely

Answer 1

Answer:

12

Step-by-step explanation:

area = 20x15=300sqm

common factor of 20 and 15 is 5

so minimum no of tiles in length is 20/5=4

and minimum no of tiles in breadth is 15/5=3

therefore the minimum no of tiles needed to cover the floor completely is 4x3=12 tiles

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