Question : Two men walk from a place at speeds of 9 km/hr and 12 km/hr, respectively. The first man takes 20 minutes more than the second one to cover the journey. Find the distance of the journey.
Option 1: 10 km
Option 2: 13 km
Option 3: 15 km
Option 4: 12 km
Correct Answer: 12 km
Solution :
Two men walk at speeds of 9 km/hr and 12 km/hr, respectively.
Let the distance be
Time taken to cover the distance by the first person =
Time taken to cover the distance by the second person =
According to the question,
Hence, the correct answer is 12 km.
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