Subject
Quantitative Aptitude
Topic
Average
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 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 :
ক)
39খ)
37.5গ)
31ঘ)
45Explanation
Average speed = km/hr = km/hr. = 37.5 km/hr.Related questions
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