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Directions: Answer the following question by selecting the most appropriate option.
A bus covers the first 10 km of its journey at an average speed of 40 km/h and the remaining 45 km at an average speed of 60 km/h. The average speed of the bus for its total journey is
Options :-
- 52.5 km/h
- 50 km/h
- 57.5 km/h
- 55 km/h
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