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CA Foundation · Quantitative Aptitude · Direction Tests

Mohan walks 5 m east, then 12 m north, then 5 m west. How far is he from his starting point, and what total distance has he covered?

Mohan is 12 m from the start and has covered 22 m. The 5 m east and 5 m west legs cancel, leaving only the 12 m northward displacement, while the total distance simply adds all three legs: 5 + 12 + 5 = 22 m.

  1. A12 m from start; 22 m coveredCorrect
  2. B13 m from start; 22 m covered
  3. C12 m from start; 12 m covered
  4. D17 m from start; 22 m covered

Explanation

East 5 m and west 5 m cancel, leaving 12 m north, so he is 12 m from the start. Total distance is 5+12+5 = 22 m. Choosing 13 m wrongly applies the Pythagoras rule to 5 and 12 even though the east leg is cancelled by the west leg.

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