state gov UP Police ASI Mock Test 2023 - 24 Quantitative Aptitude Speed Time and Distance Relative Speed
A train is running at a speed of 86 km/h on a straight railway track and a small car on a parallel road is running at a speed of 40 km/h. How long (in s) will the train take to cross the car completely if the train is 490 m long and they are running in opposite directions?
1
18
2
14
3
15
4
21