A man walked diagonally across a square lot. Approximately, what was the percent

Question

A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?

Options:

A . 20

B . 24

C . 30

D . 33

Answer: Option C

Let the side of the square(ABCD) be x metres.

Then, AB + BC = 2x metres.

AC = 2x = (1.41x) m.

Saving on 2x metres = (0.59x) m.

Saving % =

0.59x
x 100
%
= 30% (approx.)
2x

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