alleryએક વ્યક્તિ 4 કિમી/કલાકની ઝડપે 2 કલાક ચાલે છે અને પછી 1 કલાક આરામ કરે છે. સમગ્ર 3 કલાક દરમિયાન સરેરાશ ઝડપ કેટલી?
A8/3 કિમી/કલાક
B3 કિમી/કલાક
C4 કિમી/કલાક
D2 કિમી/કલાક
Answer & Solution
Correct answer: A. 8/3 કિમી/કલાક
કુલ 3 કલાકમાં કાપેલું અંતર 8 કિમી છે, તેથી સરેરાશ 8/3 કિમી/કલાક છે.
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