defence exam DGAFMS Group C 2025 Mock Test Series Quantitative Aptitude Speed Time and Distance Average Speed
Rajinder drives his car at an average speed of 40 km per hour to cover half of his total distance and thereafter he increase his speed to 60 km per hour. He covers his journey in 7 hours. What is the average speed of Rajinder in this journey?
1
52 km per hour
2
48 km per hour
3
50 km per hour
4
54 km per hour