Question
A person traveled 140 km in 3 hours. For the first 2
hours, he traveled at 60 km/h. What was his speed during the last hour?Solution
Distance covered in the first 2 hours = 60 Ă— 2 = 120 km. Remaining distance = 140 - 120 = 20 km Speed for remaining journey = 20 km/h Correct Option: d
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