[Election Kanungo Sept, 2021]

9. Two trains started at 8 a.m. from same point. The first train travelled North at a speed of 70 km/hour and second train travelled South at a speed of 100 km/hour. The time at which they were 510 km apart is ______  a.m.

1. 10

2. 10:30

3. 11:00

4. 11: 30

Correct Answer :

11:00