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Questions  >>  Olympiad-Math  >>  Class 9
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Q)

A man goes $24$ m due west and then $7$ m due north.How far is he from the starting point?

$\begin{array}{1 1}31\;m\\17\;m\\25\;m\\26\;m\end{array} $

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A)
According to pythagorus theorem
$7^2 + 24^2 = x^2$
$49 + 576 = x^2$
$\begin{align*} 625 & =x^2 \\ x & = 25m \end{align*}$
25m far from the starting point.
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