Teaching Jharkhand (JSSC) PRT (1 to 5) Mock Test 2023 Quantitative Aptitude Speed Time and Distance Average Speed
A person travelled an equal distance with the speed of 10 km/hr, 15 km/hr and 30 km/hr, then what is the average speed of the person during the journey?
1
15 km/hr
2
18 km/hr
3
20 km/hr
4
21 km/hr