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एके भोंवडेचे तीन सारके पांय 20, 30 आनी 60 किमी. पुराय भोंवडे खातीर सरासरी गती कितली आसता?

A40 km/h
B35 km/h
C30 km/h
D25 km/h
Answer & Solution
Correct answer: C. 30 km/h
हार्मोनिक सरासरी: 3 / (1/20 + 1/30 + 1/60) = 3 / (1/10) = 30 किमी/तास.
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