Select 4 unique numbers from 10 to 30
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 5,985
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 143,640 (~144 thousand)
            
                If order does not matter (e.g. most lottery numbers): 5,985
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 143,640 (~144 thousand)



