JEE MATHEMATICS MCQ: SET THEORY

1 Easy

1 of 1

Understanding +4 | -1

Suppose

n(A)=3, n(B)=6

and

A \subseteq B

. Then, the number of elements in

A \cup B

is equal to

View answer and explanation

Correct option: C

Option C (6) is correct because when A is a subset of B, the union of A and B is simply B, and n(B) = 6.

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2 a_1 a_2 a_3 \ldots . . a_{2006}

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S

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A