alleryएक स्वार पहिल्या अर्ध्या वेळेसाठी 40 km/h आणि दुसऱ्या अर्ध्या वेळेसाठी 60 km/h वेगाने प्रवास करतो. सरासरी वेग किती आहे?
A48 km/h
B50 km/h
C54 km/h
D52 km/h
Answer & Solution
Correct answer: B. 50 km/h
वेळ समान असल्याने सरासरी वेग हा साधा मध्य असतो, (40 + 60) / 2 = 50 km/h.
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