A and B stand at distinct points of a circular race track of length 135m. They cycle at speeds of a m/s and b m/s respectively. They meet for the first time 5 seconds after they start the race and for the second time 14 seconds from the time they start the race. Now, if B had started in the opposite direction to the one he had originally started, they would have meet for the first time after 60 seconds. If B is quicker than A, find b?
a) 8
b) 11
c) 7
d) 6
