Anand: 10 km East to school, then 5 km South to father’s shop, then 10 km West to uncle. How far and in which direction is he from home now?

Difficulty: Easy

Correct Answer: 5 kms South

Explanation:


Introduction / Context:
Add the axis moves to find the final displacement relative to home. East/West affect x; North/South affect y.



Given Data / Assumptions:

  • East 10, then West 10 → x cancels to 0.
  • South 5 → y = −5.


Concept / Approach:
Net x = 0; net y = −5 means 5 km South of home. Direction asked relative to home, not facing.



Step-by-Step Solution:
Compute x: +10 − 10 = 0.Compute y: −5 = 5 km South.Distance = 5 km; direction = South.



Verification / Alternative check:
Sketching the path shows returning to the home meridian but below it.



Why Other Options Are Wrong:
Any North/East/West answer contradicts the component totals.



Common Pitfalls:
Reporting facing instead of position relative to home.



Final Answer:
5 kms South

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