NVAMediumJEE Main 2026 · 22 January, Shift 2Sets & Operations

Mathematics Question from JEE Main 2026 · 22 January, Shift 2

Let SS be the set of the first 1111 natural numbers. Then the number of elements in

A={BS:n(B)2 and the product of all elements of B is even }A = \{ B \subseteq S : n(B) \ge 2 \text{ and the product of all elements of } B \text{ is even } \}

is _____.

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