Two girls started running simultaneously around a circular track of length 500 m from the same point at speeds of 30 km/hr and 20 km/hr. When will they meet for the first time any where on the track if they are moving in opposite directions?	Choose the correct answer: A) 35 B) 36 C) 37 D) 38 E) 39
Time taken to meet for the first time anywhere on the track   = length of the track / relative speed   = 500 / (30 + 20)5/18 = 500* 18 / 50 * 5 = 36 seconds.   Answer:36
<result>B</result>
Two girls started running simultaneously around a circular track of length 500 m from the same point at speeds of 30 km/hr and 20 km/hr. When will they meet for the first time any where on the track if they are moving in opposite directions?