alleryएक नावाडी प्रवाहाच्या दिशेने 24 km अंतर 2 hours मध्ये पार करतो आणि 3 hours मध्ये परत येतो. प्रवाहाचा वेग किती आहे?
A1 km/h
B2.5 km/h
C2 km/h
D1.5 km/h
Answer & Solution
Correct answer: C. 2 km/h
वेग 12 आणि 8 km/h आहेत, म्हणून प्रवाहाचा वेग (12 - 8) / 2 = 2 km/h आहे.
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