Multiple choice general knowledge science & technology

A person travels 12 km due North, then 15 km duo East, after that 15 km due West and then 18 km due South. How far is he from the starting point"?

  1. 6 km

  2. 12 km

  3. 33 km

  4. 60 km
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A Correct answer
Explanation

Starting from origin (0,0): North 12 km → (0,12), East 15 km → (15,12), West 15 km → (0,12), South 18 km → (0,-6). Final position is (0,-6), which is 6 km from starting point. The east and west movements cancel out completely.

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