Subsets

Author:NCERT
11th CBSE
IMPORTANT

Important Questions on Subsets

HARD
IMPORTANT

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

(i) ((A'B')A)'

(a) AB
(ii) [B'(B'A)]' (b)  A
(iii) (AB)(BC) (c) B
(iv) (AB)(CB) (d) (A×B)(A×C)
(v) A×(BC) (e) (A×B)(A×C)
(vi) A×(BC) (f) (AC)-B

 

EASY
IMPORTANT

Given the sets A={1, 3, 5}, B={2, 4, 6} and C={0, 2, 4, 6, 8}. Then the universal set of all the three sets A, B and C can be _____.

EASY
IMPORTANT

Number of power set of the set A={1, 2} is _____

EASY
IMPORTANT

When A=ϕ, then number of elements in P(A) is _____.

MEDIUM
IMPORTANT

Two finite sets have m and n elements. The number of subsets of the first set is 112 more than that of the second set. The values of m and n are, respectively,

MEDIUM
IMPORTANT

Determine whether the statement is true or false. Justify your answer

For all sets A, B and C, if AC and BC then ABC

MEDIUM
IMPORTANT

Determine whether each of the statements in these exercises is true or false. Justify your answer.

For all sets A, B and C, if AB then, ACBC

EASY
IMPORTANT

For all sets A, B and CAB, then ACBC

EASY
IMPORTANT

Given that N={1, 2, 3, ,100}. Then write

the subset of N whose element are perfect square numbers.

MEDIUM
IMPORTANT

Given that N={1, 2, 3, ,100}. Then write the subset of N whose elements are even numbers.

MEDIUM
IMPORTANT

If A and B are subsets of the universal set , then show that

(AB)A

HARD
IMPORTANT

If A and B are subsets of the universal set , then show that

ABAB=B

MEDIUM
IMPORTANT

If A and B are subsets of the universal set U, then show that

AAB