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JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

A code word consists of three letters of the English alphabet followed by two digits of the decimal system. If neither letter nor digit is repeated in any code word, then the total number of code words is

Answer: (A)

Solution

The three letters are chosen and ordered without repetition from : ways. The two digits are

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Question ID VK-020790