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JEE MATHEMATICS MCQ: PERMUTATIONS

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The number of seven digit integers with sum of the digits equal to 10 and formed by using the digits 1, 2 and 3 only is

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Correct option: C

77

Option C (77) is correct because it accurately counts the number of seven-digit integers formed using the digits 1, 2, and 3, with a digit sum of 10.

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