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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 20 minutes?

Created: 7 years ago | Updated: 3 days ago
Updated: 3 days ago
Agrani bank Ltd Agrani bank Ltd - Officer - 12.02.2010 গণিত সময়, দূরত্ব ও গতিবেগ (Time, distance & speed)
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Best Ans:

প্রশ্ন: 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?

50 miles travel in 60 minutes

10 miles travel in ( 60×10)/50 = 12 min

Now, 20 - 12 = 8 min

In 8 minutes it has to go 10 miles

In 1 minutes it has to go 10/8 miles

In 60 minutes it has to go ( 10×60)/8 = 75 mph

7 years ago
Md Azizur Rahman
FOUNDER OF SATT

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