insurence exam LIC Assistant Mock Test Series Quantitative Aptitude Speed Time and Distance Partial Speed
In a race, Vimal runs at a speed of 5 m/s for the first 10 seconds, 6 m/s for the next 10 seconds, 7 m/s for the next 10 and so on. Find the time taken by him to complete a 400 m race.
1
45 seconds
2
50 seconds
3
60 seconds
4
55 seconds
5
65 seconds