1.

A bus has to cover a total distance of 300 miles during a journey. It covers the first 100 miles at an average speed of 50 miles/hour. If it covers the next 100 miles in 2.5 hours, what should be the average speed for the last 100 miles so that the t

A. 66(2/3)
B. 50
C. 67
D. 65
Answer» B. 50


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