Question: solve this 1. 2 3 5 A B C D Diagram 1 Diagram 1 shows 6 digits and 4 letters. A secret code is to

solve this

1. 2 3 5 A B C D Diagram 1 Diagram 1 shows 6 digits and 4 letters. A secret code is to be formed using those digits and letters. The secret code must consist of 4 digits followed by 2 letters. How many secret codes can be formed if no digit or letter is repeated in each code? (3 ma
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