Select 2 unique numbers from 70 to 80
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 55
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 110
If order does not matter (e.g. most lottery numbers): 55
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 110