Q105
A motorist travels to a place 150 km away at an average speed of 50 km/hr and returns at 30 km/ hr. His average speed for the whole journey in km/hr is-
A.
35 km/hr
B.
37 km/hr
C.
37.5 km/hr
AnswerD.
40 km/hr
Answer: Option C
Solution
Answer: Option C
Solution:
Average speed