alleryएक ट्रॅम एका मार्गाचा एक तृतीयांश भाग 20 km/h वेगाने आणि उर्वरित दोन तृतीयांश भाग 40 km/h वेगाने पार करते. तिचा सरासरी वेग किती?
A30 km/h
B35 km/h
C28 km/h
D32 km/h
Answer & Solution
Correct answer: A. 30 km/h
60 km च्या मार्गासाठी, 20 km ला 1 h लागतो आणि 40 km ला 1 h लागतो, म्हणजेच 60 / 2 = 30 km/h.
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