Raj travelled from a point X straight to Y at a distance of 80 metres. He turned right and walked 50 metres, then again turned right and walked 70 metres. Finally, he turned right and walked 50 metres. How far is he from the starting point?
Detailed Explanation:
Raj's movement from point X:
80 metres straight (assume East) → position (80, 0)
Right turn, 50 metres (South) → position (80, -50)
Right turn, 70 metres (West) → position (10, -50)
Right turn, 50 metres (North) → final position (10, 0)
Distance from X: Horizontal displacement = 10 metres, Vertical displacement = 0 metres
Answer: 10 metres
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