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Q15 of 162 Page 1

Mark the correct alternative in the following:

In set-builder method the null set is represented by


We know x≠x is false for any x.


∴ the set builder form for null set is {x:x≠x}.

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13

Mark the correct alternative in the following:

Let A and B be two sets such that n (A) = 16, n (B) = 25. Then, n is equal to


14

Mark the correct alternative in the following:

If A = {1, 2, 3, 4, 5}, then the number of proper subsets of A is


16

Mark the correct alternative in the following:

If A and B are two disjoint sets, then n is equal to


17

Mark the correct alternative in the following:

For two sets iff


Questions · 162
1. Sets
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