JEE MATHEMATICS MCQ: SET THEORY

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n\left( {{A_i}} \right) = i + 1

and

{A_1} \subset {A_2} \subset {A_3} \subset \ldots \subset {A_{99}},

then

n\left( {U_{i = 1}^{99}{A_i}} \right) =

View answer and explanation

Correct option: C

100

Option C (100) is correct because the union of nested sets is the largest set, and n(A_99) = 99 + 1 = 100.

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