Question 6
EasyOriginal questionJoseph jogs 3 km north, turns right and jogs 4 km, turns right and jogs 3 km, then turns right again and jogs 4 km. How far is he from where he started?
Show the answer and explanation
CorrectNot quiteAnswer A
Correct answer: A
Explanation
The turns take him north, east, south and then west.
3 km north cancels 3 km south, and 4 km east cancels 4 km west.
He is back at the start, so the distance is 0 km.
Worth noting
14 km is the distance jogged, and 5 km is the diagonal of the rectangle he ran round. Four right turns bring him back to where he began.
- Concept
- Total distance travelled versus displacement
- Typical timeTypical
- 40 s
- Your timeYours
- —
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Ten questions from Direction Sense, at your own pace.