Question:medium

If \( n(A) = 3 \) and \( n(B) = 7 \) and \( A \subseteq B \) then the number of elements in \( A \cap B \) is equal to

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If \( A \subseteq B \), then \( A \cap B = A \). Always use subset property directly.

Updated On: Apr 28, 2026

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The Correct Option is D

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