1.

A customer forgets a four-digit code for an Automatic Teller Machine (ATM) in a bank However, he remembers that this code consists of digits 3,5,6 and 9. Find the largest possible number of trials necesssary to obtain the correct code.

Answer»

A customer forgets a four-digit code for an Automatic Teller Machine (ATM) in a bank However, he remembers that this code consists of digits 3,5,6 and 9. Find the largest possible number of trials necesssary to obtain the correct code.



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