There are $12$ stations between A and B, in how many ways you can select 4 stations for a halt in such a way that no two stations are consecutive
85104
Counting train stops using combinatorics
29887
Pigeon Hole Principle Problem I'm kind of lost for how to go about this.
472
In how many ways can $3$ red, $3$ blue, and $3$ green balls be arranged so that no two balls of the same colour are consecutive (up to symmetry)?
12926
number of ways to make $2.00
104826
Determine Whether Integer Is Between Two Other Integers?
129051
Can a route be included in more than one destination ticket?
128051
Calculating possible option of switching pairs in group
68882
Path to Combinatorics Problem [$1.11$]
49406
Moving from A(x,y) to B(x1,y1) with constant speed?
122844
Historical reason behind different line ending at different platforms
150536
Combinatorics, choosing 3 elements from 100
150281
Am I on the right track to figure out this combinatorics problem?
34009
How do I calculate the number of stops between two shutter speeds?
152357
U1256 Underground Ticket - How many journeys permitted?
108941
Combinatorics Question Asking How Many Integer Solutions Given Different Restrictions
110436
ways to select a non-empty subset of these people, such that no two adjacent people are selected.
140858
Number of ways to choose 6 objects when they are of 11 different kinds