alleryएक गिर्यारोहक 12 km 4 km/h वेगाने चालतो आणि 1 h विश्रांती घेतो. विश्रांतीसह सरासरी वेग?
A4 km/h
B3 km/h
C2 km/h
D5 km/h
Answer & Solution
Correct answer: B. 3 km/h
चालण्यासाठी 12 ÷ 4 = 3 तास लागतात, त्यामुळे बाकीच्या गोष्टींसह सरासरी वेग 12 ÷ 4 = 3 किमी/h आहे.
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