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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 to be 20 minutes?
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Answer / guest
75 miles per hour
While going to the destination, the vehicle travels 10 mils
at the speed of 50 miles per hour. So the time taken to
travel 10 miles is
= (60 * 10) / 50
= 12 minutes
Now it's given that round-trip travel time is 20 minutes. So
the vehicle should complete its return trip of 10 miles in 8
minutes. So the speed of the vehicle must
= (60 * 10) / 8
= 75 miles per hour
| Is This Answer Correct ? | 126 Yes | 5 No |
Answer / deepak
75 miles
bcz he reach the destination in 12 minute and the
remaining time he travel at speed of 75.
| Is This Answer Correct ? | 13 Yes | 10 No |
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