Two persons start running simultaneously around a circular track of length 300 m from the same point at speeds of 15 km/hr and 25 km/hr. When will they meet for the first time any where on the track if they are moving in opposite directions ?
A) 27 sec B) 31 sec C) 23 sec D) 29 sec
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Answer:
A) is the answer of this question
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Answer: A)
Step-by-step explanation:
Relative speed of both person (as they are moving in opposite direction)=25+15 km/hr=40km/hr=100/9 m/s.
Now distance=300m.
So time(t)=d/s=300/(100/9)=(300*9)/100=
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