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प्रश्न
A man covers half of his journey as 6 km/h and the remaining half at 3 km/h. His average speed is
पर्याय
9 km/h
4.5 km/h
4 km/h
3 km/h
MCQ
उत्तर
4 km/h
Explanation:
Required average speed = `(2xx6xx3)/(6+3)`
= `(2xx6xx3)/9=4` km/h
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Time, Speed and Distance (Entrance Exam)
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