other govt exam ASRB AO ( ICAR AO ) Mock Test 2021 Quantitative Aptitude Speed Time and Distance Average Speed
What is the average speed of a boy, who covers the first half of his journey at 30 km/h and the second half at 70 km/h?
1
54 km/h
2
48 km/h
3
42 km/h
4
50 km/h