Two cyclist start on a circular track from a given point but in opposite direction with speeds of 7m/s and 8m/s. If the circumference of the circle is 600meters, after what time will they meet at the starting point?  Choose the correct choice from the following options.
A) 20 sec	B) 15 sec	C) 30 sec	D) 50 sec	E) 40 min

Rationale: "they meet every 600 / 7 + 8 = 40 sec answer is e"
Answer: E