**A, B and C run around a circular track of length 750m at speeds of 3 m/sec, 6 m/sec and 18 m/sec respectively. If all three start from the same point, simultaneously and run in the same direction, when will they meet for the first time after they start the race?**

A. 750 seconds

B. 50 seconds

C. 250 seconds

D. 375 seconds

E. 75 seconds

A. 750 seconds

B. 50 seconds

C. 250 seconds

D. 375 seconds

E. 75 seconds

oa coming when people respond with explanations, from diff math problems set