NCERT Class 11-Math's Exemplar Chapter 1 Sets CBSE Board Problems

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Question 43:

If X and Y are two sets and X′ denotes the complement of X, then is equal to

(A)

(B)

(C)

(D)

Answer: (C)

Fill in the Blanks in Each of the Exercises from 44 to 51

Question 44:

The can be written as ______________.

Answer:

Question 45:

When , then number of elements in is ______________.

Answer:

Question 46:

If A and B are finite sets such that , then n ______________.

Answer:

Question 47:

If A and B are any two sets, then is equal to ______________.

Answer:

Question 48:

Power set of the set is ______________.

Answer:

Question 49:

Given the sets . Then the universal set of all the three sets A, B and C can be ______________.

Answer:

Question 50:

If , A and . Then

(i) is ______________.

(ii)is ______________.

Answer:

(i)

(ii)

Question 51:

For all sets A and B, A – (A ∩ B) is equal to ______________.

Answer:

Question 52:

Match the following sets for all sets A, B and C

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(a)

(b)

(c)

(d)

(e)

(f)

Answer:

(i)

(ii)

(iii)

(iv)

(v)

(vi)

State True or False for the following statements in each of the Exercises from 53 to 58: