Mathematics · Permutations and Combinations

The number of seven-digit numbers that can be formed using all the digits 1, 2, 3, 4, 5 with at least one digit repeated is:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

114800
216800✓
315600
416200

Correct answer

16800

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The number of seven-digit numbers that can be formed using all the digits 1, 2, 3, 4, 5 with at least one digit repeated is:

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The number of seven-digit numbers that can be formed using all the digits 1, 2, 3, 4, 5 with at least one digit repeated is:

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