[Dairy Development Inspector, 2022]

4. Sumit and Rajan run on a circular track of circumference 600 m with a speed of 5 km/h and 2 km/h. They start from the same place at the same time and in the same direction. When will they be together again for the first time ?

1. 360 s

2. 540 s

3. 720 s

4. 900 s

Correct Answer :

720 s