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How many three digit numbers can be formed with the numbers 8, 2, 4, 5, 1 (if repetition of digits is not allowed)?

How many three digit numbers can be formed with the numbers 8, 2, 4, 5, 1 (if repetition of digits is not allowed)? Correct Answer

The numbers given are 8, 2, 4, 5, 1. Here, repetition of digits is not allowed. The first digit can be arranged in 5 ways. Second digit can be arranged in 4 ways. Third digit can be arranged in 3 ways. Therefore, Number of three digit numbers can be formed = 5 * 4 * 3 = 60.

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