allery180 કિમીની સફર 3.5 કલાક લે છે: 30 કિમી/કલાકની ઝડપે 60 કિમી, 60 કિમી પ્રતિ કલાકની ઝડપે 60 કિમી. છેલ્લી ઝડપ?
A150 km/h
B120 km/h
C90 km/h
D100 km/h
Answer & Solution
Correct answer: B. 120 km/h
પ્રથમ બે તબક્કા 2 + 1 = 3 કલાક લે છે, 60 ÷ 0.5 = 120 km/h પર 60 km માટે 0.5 કલાક છોડીને.
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