Let S = \1, 2, 3, 5, 7, 10, 11\. The number of non-empty… — JEE Main 2023 Mathematics PYQ

JEE Main 2023 · 25 Jan · Shift 1 · numerical answer

Let

S = \{1, 2, 3, 5, 7, 10, 11\}

. The number of non-empty subsets of

S

that have the sum of all elements a multiple of 3, is _________.

Show answer

Answer: 43

[JEE Main 2023 · 25 Jan · Shift 1]

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JEE Main 2023 Mathematics question on Permutations and Combinations