Question
Quantitative Aptitude Question on Average
Distance between two stations A and B is 778 km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56 km per hour. Find the average speed of the train during the whole journey.
A
67.2
B
76.2
C
66.1
D
70
Answer
67.2
Explanation
Solution
The correct answer is Option (A): 67.2