Quantitative Aptitude :: Percentage - Discussion
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Choose the correct option.
A man walked diagonally across a square lot approximately what was the percent saved by not walking along the edges?
A30%
B2%
C25%
D15%
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Let the sides of the square be a
When he walks along the edges distance covered is 2a and when he walks along the diagonal distance covered is sqrt(2a).
Percentage saved is (2a-_/2a)/2a *100%= 29.28% approx. 30%
When he walks along the edges distance covered is 2a and when he walks along the diagonal distance covered is sqrt(2a).
Percentage saved is (2a-_/2a)/2a *100%= 29.28% approx. 30%
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