alleryसायकल 40 किमी/तास आनी 60 किमी/तास ह्या वेगान दोन सारके स्ट्रेच कव्हर करता. दोगांयचेर ताची सरासरी गती?
A50 km/h
B45 km/h
C48 km/h
D52 km/h
Answer & Solution
Correct answer: C. 48 km/h
समान अंतराखातीर सरासरी 2ab/(a+b) = 2 x 40 x 60 / 100 = 48 किमी/तास अशी आसता.
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