railway RPF Constable Mock Test Series 2024 Quantitative Aptitude Speed Time and Distance Average Speed
In a 100-km journey, the average speed of S is 40 km/h. He covers the first 60 km in 40 minutes and the next 20 km in 50 minutes. What is his speed in the last 20 km (in km/h)?
1
30
2
40
3
25
4
20