A boy runs 5 km towards East, turns left and walks 6 km. Again he turns right…
2019
A boy runs 5 km towards East, turns left and walks 6 km. Again he turns right and walks 9 km. Finally, he turns to his right and walks 6 km. How far is he from the starting point and in which direction?
Answer: B. 14km, East — The northward and southward movements cancel: 6 km north and 6 km south. The eastward movements add to 5 + 9 = 14 km, so the boy is 14 km east of the start.
- A.
9km, West
- B.
14km, East
- C.
9km, East
- D.
14km, West
Attempted by 17 students.
Show answer & explanation
Correct answer: B
The northward and southward movements cancel: 6 km north and 6 km south. The eastward movements add to 5 + 9 = 14 km, so the boy is 14 km east of the start.
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