Let \S=\{1,2,3,4,5,6,9\}. Then, the number of elements in the set \T=\{\A \\subseteq \S: \A \\neq \ϕ and the sum of all the elements of A is not a multiple of 3} is [27 Aug 2021 Shift 2]

Permutations and Combinations Part 1

Section: Mathematics

Question : 16 of 100

Marks: +1, -0

Let S={1,2,3,4,5,6,9}. Then, the number of elements in the set T={A⊆S:A≠ϕ and the sum of all the elements of A is not a multiple of 3} is

[27 Aug 2021 Shift 2]

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