Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Speed Time and Distance Average Speed
A travels 15 km with a speed of 30 km/h. He travels another 25 km with a speed of 10 km/h. What is his average speed for the entire journey?
1
40/3 km/h
2
80/3 km/h
3
20 km/h
4
More than one of the above
5
None of the above