DSSSB · Mathematics
A train starts from station P to station Q at a speed of 98 km/hr and then returns to station P at a speed of 70 km/hr. What is the average speed (rounded off to two decimal places) of the train during the entire journey?
- 83.67 km/hr
- 82.67 km/hr
- 84.67 km/hr
- 81.67 km/hr
A train starts from station P to station Q at a speed of 98 km/hr and then returns to station P at a speed of 70 km/hr. What is the average speed (rounded off to two decimal places) of the train during the entire journey?
- 83.67 km/hr
- 82.67 km/hr
- 84.67 km/hr
- 81.67 km/hr
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