Select 1 unique numbers from 30 to 2
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): -27
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): -27
If order does not matter (e.g. most lottery numbers): -27
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): -27