Arithmetic Aptitudes › Time and Distance › Question #4653
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QOn long walk journey of 24 km, a man walked for 1 hours and 40 minutes, he covered 5 of the remaining distance. What is the speed of man in m/s ?

ID: #4653 Time and Distance 142 views
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#4653Q ID
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Time and DistanceTopic
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  • A 5/3 m/sec ✔ ✖
  • B 7/8 m/sec ✔ ✖
  • C 6/8 m/sec ✔ ✖
  • D 7/9 m/sec ✔ ✖
Correct Answer: Option A

Explanation


Since the distance is given in kilometers and the time is 

given in hours, you can set up the following proportion to 

solve for the speed in kilometers per hour:

(distance covered)/(time taken) = speed

(5/3 speed)/(1 2/3 hours) = speed

To solve this proportion, you can cross-multiply:

(5/3 speed)(1 2/3 hours) = speed

5/3 speed = 2/3 speed

5/3 = 2/3

Multiplying both sides by 3/5 gives us:

1 = 2/5

Multiplying both sides by 5/2 gives us:

5/2 = 2

Therefore, the speed is 5/2 kilometers per hour, or 5/3 meters 

per second.
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