allery100 કિમીની મુસાફરીમાં પ્રથમ 60 કિમી 30 કિમી/કલાકની ઝડપે અને બાકીના 40 કિમી 20 કિમી/કલાકની ઝડપે કાપવામાં આવે છે. સરેરાશ ઝડપ કેટલી?
A24 કિમી/કલાક
B26 કિમી/કલાક
C25 કિમી/કલાક
D28 કિમી/કલાક
Answer & Solution
Correct answer: C. 25 કિમી/કલાક
સમય 2 કલાક અને 2 કલાક છે, તેથી 4 કલાકમાં 100 કિમી માટે 25 કિમી/કલાક મળે છે.
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