Manmohan wants to cover the floor of a room 4 metre wide and 5 metre long by square tiles if each square tiles of side 0.5 then find the number of tiles required to cover the floor of the room.
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Answer:80
Step-by-step explanation:
l=5
B=4
Square side =0.5
L×b= n×area of square
4×5=n×0.5×0.5
20=n×0.25
n=20÷0.25
n= 80
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