Teaching NVS Junior Secretariat Assistant (JSA) Mock Test 2024 Quantitative Aptitude Speed Time and Distance Average Speed
A person walks 10 km at a speed of 2.5 km per hour, then runs 10 km at a speed of 5 km per hour and then goes 30 km by bus at the speed of 30 km per hour. What is the average speed of the man?
1
9 kmph
2
7.14 kmph
3
7 kmph
4
8.25 kmph