alleryएक कूरियर पहले घंटे में 30 किमी और फिर अगले दो घंटों में 60 किमी की यात्रा करता है। औसत चाल क्या है?
A40 किमी/घंटा
B35 किमी/घंटा
C30 किमी/घंटा
D45 किमी/घंटा
Answer & Solution
Correct answer: C. 30 किमी/घंटा
3 घंटे में 90 किमी की कुल दूरी तय करने पर औसत चाल 30 किमी/घंटा होगी।
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