Permutations and Combinations Part 2

Section: Mathematics

Question : 24 of 110

Marks: +1, -0

Let P be the set of seven digit numbers with sum of their digits equal to 11. If the numbers in P are formed by using the digits 1,2 and 3 only, then the number of elements in the set P is:

[29 Jan 2025 Shift 1]

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