Select 10 unique numbers from 19 to 31
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 286
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 1,037,836,800 (~1 billion)
            
                If order does not matter (e.g. most lottery numbers): 286
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 1,037,836,800 (~1 billion)



