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V. [16] Assume PINs must contain 6 characters chosen in the following manner: 3 capital letters followed by 2 digits followed by one character from

V. [16] Assume PINs must contain 6 characters chosen in the following manner: 3 capital letters followed by 2 digits followed by one character from the symbol set {!, #, & , $}.

How many possible different PINs are possible?

How many PINs could begin with ABC?

How many PINs could begin with A and end with $?

How many PINS could have no repeating characters [letters or digits or symbols)?

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