The jogging track in a sports complex is1100m in circumference. Prakash and his wife start from the same point and walk in opposite directions at 5.2 km/hr and 5.6 km/hr respectively. They will meet for the first time in?
Choices: A) 6.11 min B) 6.88 min C) 7.18 min D) 8.33 min E) 9.00 min
Clearly, the two will meet when they are 1100 m apart.   To be (5.2 + 5.6)= 
<gadget id="calculator">(5.2 + 5.6)</gadget>
<output>10.8</output>
10.8 km apart, they take 1 hour.That is 60 minutes.   To be1100 m apart, they take= (1100/1080 * 60) min   = 6.11 min.   6.11 minnswer: 6.11 min
<result>A</result>
The jogging track in a sports complex is1100m in circumference. Prakash and his wife start from the same point and walk in opposite directions at 5.2 km/hr and 5.6 km/hr respectively. They will meet for the first time in?