Bala walked 25 km towards west, took a left turn and walked 15 km. He again took a left turn and walked 30 km. He then took a right turn and stopped. Now he was facing which direction?
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Keep a fixed compass: from West, a left turn points South; from South, a left turn points East; from East, a right turn points South. Writing the sequence of facings avoids coordinate confusion.
Step 1: Track facing directions with each turn.
Start moving \(\Rightarrow\) facing \(West\).
Left turn from West \(\Rightarrow\) facing \(South\); walk 15 km.
Left turn from South \(\Rightarrow\) facing \(East\); walk 30 km.
Right turn from East \(\Rightarrow\) facing \(\boxed{South}\).
\[
\boxed{\text{Facing South}}
\]