Question

Two men start moving from two different towns 20km apart and walk towards each other. They meet in 120min. One man walked at 6km/h. How fast does the other man walk?

Answer 1

Given data : Two men start moving from two different towns 20 km apart and walk towards each other. They meet in 120 min. One man walked at 6 km/hr.

To find : How fast does the other man walk ?

Solution : Let, speed of second many be x, now we take combined speed of both men i.e. (6 + x) km/hr

⟹ Total distance = 20 km

⟹ Total time taken by both person = 120 min = 2 hour

Now,

⟹ speed of both men = total distance/total time

⟹ 6 + x = 20/2

⟹ 6 + x = 10

⟹ x = 10 - 6

⟹ x = 4 km/hr

Answer : Hence the speed of other ( second ) men is 4 km/hr.

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Answer 2

LET SPEED OF SECOND TOTAL DISTANCE =20KM

=120MIN=2HR

=6+X=20/2

6+X=10

X=10_6

X=4KM/HR

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