Q13 of 162 Page 1

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


In this question we cannot find as we haven’t required values and information about their union or about universal set.

So, correct answer is D

More from this chapter

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11

Mark the correct alternative in the following:

Let A = {x : xR, x > 4} and B = {xR : x < 5}. The, =


 12

Mark the correct alternative in the following:

Let be the universal set containing 700 elements. If A, B are sub-sets of such that n (A) = 200, n (B) = 300 and n=100. Then, n=


 14

Mark the correct alternative in the following:

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


 15

Mark the correct alternative in the following:

In set-builder method the null set is represented by