Four-turn square path: compute final distance from the start Sachin walks 20 km North, turns left and walks 40 km West, turns left and walks 20 km South, then turns left and walks another 20 km. How far is he from his starting position? Choose the correct distance.
Verbal Reasoning
Direction Sense Test
Difficulty: Easy
Choose an option
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A20 km.
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B30 km.
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C50 km.
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D60 km.
Answer
Correct Answer: 20 km.
Explanation
Trace the path (0,0) → (0,20) → (−40,20) → (−40,0) → (−20,0)
Distance from origin |Δ| = √((−20)² + 0²) = 20 km.