CA Foundation · Quantitative Aptitude · Direction Tests
A guard walks 6 m north, 8 m east, then 6 m south. What is the total distance he has walked, and how far is he from the start?
He has walked 20 m in total and is 8 m from the start. The 6 m north and 6 m south legs cancel, leaving only the 8 m eastward displacement, while the path length is the sum of all three legs.
- A20 m walked; 8 m from startCorrect
- B20 m walked; 14 m from start
- C14 m walked; 8 m from start
- D20 m walked; 10 m from start
Explanation
Total path = 6 + 8 + 6 = 20 m. The north and south legs cancel, so he ends 8 m east of the start. Displacement is 8 m, not 14 m, which wrongly ignores direction.
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