Select 3 unique numbers from 20 to 30
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 165
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 990
If order does not matter (e.g. most lottery numbers): 165
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 990