alleryएक प्रवास समान लांबीच्या दोन भागांत विभागला गेला आहे, जे 36 km/h आणि 60 km/h वेगाने कापले जातात. प्रवासाचा सरासरी वेग किती?
A45 km/h
B46 km/h
C48 km/h
D50 km/h
Answer & Solution
Correct answer: A. 45 km/h
2 x 36 x 60 / 96 = 4320 / 96 = 45 km/h.
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