CA Foundation · Quantitative Aptitude · Direction Tests
Tarun starts from his shop, walks 10 m east, then 10 m north, then 10 m west, then 10 m south, and stops. What is the total distance walked and his displacement from the shop?
The total distance walked is 40 m because the four legs of 10 m are added. The displacement is zero because the east and west legs cancel, as do the north and south legs, so Tarun returns to the starting point at his shop.
- A40 m and 0 mCorrect
- B40 m and 10 m
- C20 m and 0 m
- D0 m and 40 m
Explanation
The four legs of 10 m each give a total distance of 10+10+10+10 = 40 m. East and west cancel, and north and south cancel, so he ends where he started and the displacement is 0. Option 0 m and 40 m reverses the two ideas, and 40 m with 10 m ignores that opposite legs cancel exactly.
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