180 కి.మీ ప్రయాణానికి 3.5 గం పడుతుంది: 30 కి.మీ/గం వద్ద 60 కి.మీ, 60 కి.మీ/గం వద్ద 60 కి.మీ. చివరి వేగం?
A150 km/h
B120 km/h
C90 km/h
D100 km/h
Answer & Solution
Correct answer: B. 120 km/h
మొదటి రెండు దశలు 2 + 1 = 3 గంటలు పడుతుంది, 60 kmకి 60 ÷ 0.5 = 120 km/hకి 0.5 గంటల సమయం పడుతుంది.
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