Between 2 junction stations X and Y there are 12 intermediate stations. The number of ways in which a train can be made to stop at 4 of these stations so that no two of these halting stations are consecutive is
a) 70
b) 126
c) 210
d) 420
e) 195
a) 70
b) 126
c) 210
d) 420
e) 195
