Select 2 unique numbers from 1800 to 1899
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 4,950
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 9,900
            
                If order does not matter (e.g. most lottery numbers): 4,950
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 9,900



