Subject
MBA Exam
Topic
Evening MBA-DU(18th Batch)
An emergency vehicle travels 10 miles at a speed of 50 miles per hour. How fast must the vehicle travel on the return trip if the round trip travel time is 20 minutes?
An emergency vehicle travels 10 miles at a speed of 50 miles per hour. How fast must the vehicle travel on the return trip if the round trip travel time is 20 minutes?
ক)
75 mphখ)
60 mphগ)
65 mphঘ)
70 mphExplanation
50 mile goes in 60 min 1 mile goes in 60/50min 10 mile goes in 60X50/10=12min time remaining=20-12=8 min in 8 minitue goes 10 mile in 1 minitue goes 10/8 mile in 60 minitue goes 10x60/8 mile=75 mileRelated questions
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