alleryસાઇકલ સવાર 10 કિમી/કલાકની ઝડપે 20 કિમી, પછી 20 કિમી/કલાકની ઝડપે 40 કિ.મી. કુલ સમય?
A3 કલાક
B6 કલાક
C5 કલાક
D4 કલાક
Answer & Solution
Correct answer: D. 4 કલાક
બે તબક્કા 20 ÷ 10 = 2 કલાક અને 40 ÷ 20 = 2 કલાક, કુલ 4 કલાક લે છે.
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