A and B are jogging around a park's circular track which has a perimeter of…
2025
A and B are jogging around a park's circular track which has a perimeter of 1.2 km. They start from the
same point at 6:00 a.m. and run in opposite directions. A's speed is 5 km/h, and B's speed is 7 km/h. At what time
will they meet for the fifth time?
- A.
6:25 AM
- B.
6:30 AM
- C.
6:45 AM
- D.
7:00 AM
Attempted by 4 students.
Show answer & explanation
Correct answer: B
Their relative speed in opposite directions is 5 + 7 = 12 km/h. They meet every 1.2/12 = 0.1 hour = 6 minutes. The fifth meeting is after 30 minutes, at 6:30 AM.