Mathematics · 2022
JEE Main · 26 July 2022, Shift 2 · Q21
Let A={1,2,3,4,5,6,7} and B={3,6,7,9}. Then the number of elements in the set {C ⊆ A: C ∩ B ≠ φ} is \ \ \ \
Let $\displaystyle A=\{1,2,3,4,5,6,7\}$ and $\displaystyle B=\{3,6,7,9\}$. Then the number of elements in the set $\displaystyle \{C \subseteq A: C \cap B \neq \phi\}$ is \_\_\_\_
Official answer
112
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JEE Main 2022 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.