In a circular race of 2,500 m, Reeta and Geeta start running in the same direction from the same point and at the same time with speeds of 36 km/h and 54 km/h, respectively. After how much time will they meet for the first time on the track?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 500 seconds.
Reeta's speed = 36 × = 10 m/sec
Geeta's speed = 54 × = 15 m/sec
Relative speed = 15 - 10 = 5 m/sec
Time = = 500 seconds