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# A man moves 20 m North, then 10 m east and then $10\sqrt2$m south-west, his displacement is :

$\begin {array} {1 1} (a)\;20\: m\: North & \quad (b)\;10\sqrt2m\: north-west \\ (c)\;10\sqrt2m\: south-east & \quad (d)\;10 \; m \: North \end {array}$

Can you answer this question?