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The length of a floor is 125% of its width. Floor area of 180 m 2 , the length and width of the floor is the sum of? (In meters)
29
27
25
23
Let width of floor = $$x$$ m
=> Length = $$\frac{125}{100}\times x=1.25x$$ m
Area = $$x\times1.25x=180$$
=> $$x^2=\frac{180}{1.25}=144$$
=> $$x=\sqrt{144}=12$$
$$\therefore$$ Sum of length and width = $$x+1.25x=2.25x$$
= $$2.25\times12=27$$
=> Ans - (B)
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