Q. 1/3 part of a certain journey is covered with the speed of 25 km/hr, 1/2 part of the journey is covered with the speed of 45 km/hr and the remaining part covered with the speed of 37.5 km/hr. What is the average speed (in km/hr) for the whole journey?
A) 34.61
B) 37.08
C) 56
D) 43
✔ Correct Answer: 34.61
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