The Racing magic takes 40 seconds to circle the racing track once. The Charging bull makes 40 rounds of the track in an hour. If they left the starting point together, how many minutes will it take for them to meet at the starting point for the second time?  Select the correct option:
A) 3	B) 6	C) 9	D) 12	E) 15
Time taken by Racing magic to make one circle = 40 seconds   Time taken byCharging bullto make one circle = 60 mins / 40 = 1.5 mins = 90 seconds   LCM of 90 and 40 seconds = 360 seconds = 6 mins   Time taken for them to meet at the starting point for the second time = 6 mins *2 = 12 mins   Answer 12
<result>D</result>
The Racing magic takes 40 seconds to circle the racing track once. The Charging bull makes 40 rounds of the track in an hour. If they left the starting point together, how many minutes will it take for them to meet at the starting point for the second time?