sets

Statement :- Tall students in 11 class is not a set. Reason :- It is not a collection

Statement is true but reason is false.

Both statement and reason are true

Both statement and reason are false.

Statement is false but reason is true.

Let A and B be subsets of set X. Then which of the following is correct

A-B = A U B’

A-B = A ꓵ B’

A-B = A’ ꓵ B’

A-B = A ꓵ B

Among the following sets:- i. A= {0,1} ii. B= { x: x - 7 = 0} iii. C= {x: x< 8 and x> 5} iv. D= { x : x is integral positive root of the equation x2 -2x - 35=0}. Which two are equal sets.

A and C

C and D

B and D

B and C

Let P, Q and R be three sets, if P ∈ Q and Q ⊂ R, then

P ⊄ R

P ⊂ R

P = R

none of these

The smallest set such that A ꓵ {1, 2, 4, 5} = {4, 5}

Null set {}

Universal set U

{1, 2, 4, 5}

{4, 5}

If set S = { 1, 3, 5 ,7} . Then total number of subsets of S is given by:-

The set A = { 2, 4, 8, 16, 32} in set builder form is :-

{ x: x = 2 n where n ∈ N and 1≤ n ≤ 5 }

{ x: x = 2^n where n ∈ N and 1≤ n ≤ 5 }

{ x: x = n where n ∈ N and 1≤ n ≤ 5 }

none of these

Statement :- The set of all the points on a line is an infinite set. Reason:- One can Count the points on a given straight line.

Both statement and reason are true.

Statement is true but reason is false.

Both statement and reason are false.

Statement is false but reason is true.

The set A = { x: x = 2n+ 3 where n ∈ N and 0 < n ≤ 4 }

{ 5, 6, 7, 8}

{2, 4, 6, 8}

{5,7, 9, 11}

{ 3, 5, 5, 9}

In a class of 50 students, 10 did not opt for math, 15 did not opt for science and 2 did not opt for either. How many students of the class opted for both math and science.

A’ will contain how many elements from the orginal set A

All elements of A

Infinite

Which of the following two sets are equal?

A = {1, 2} and B = {1}

A = {1, 2} and B = {1, 2, 3}

A = {1, 2, 3} and B = {2, 1, 3}

A = {1, 2, 4} and B = {1, 2, 3}

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