# Quiz For Class 11

10 Questions | Total Attempts: 20  Settings  Instructions 1. Enter your details carefully 2. The quiz consists of 10 questions 3. Participation certificate is also provided 4. The only way to learn Mathematics is to do mathematics

• 1.
For any set A, (A')' is equal to
• A.

A'

• B.

A

• C.

Empty set

• D.

None of these

• 2.
The symmetric difference of A={1,2,3} and B={3,4,5} is,
• A.

{1,2}

• B.

{1,2,4,5}

• C.

{4,3}

• D.

{2,,5,1,4,3}

• 3.
In a city 20% of the population travels by car, 50% travels by bus and 10% travels by both car and bus. Then, persons travelling by car or bus is
• A.

80%

• B.

40%

• C.

60%

• D.

70%

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

120

• B.

30

• C.

31

• D.

32

• 5.
In school, there are 20 teachers who teaches mathematics or physics. Of these, 12 teaches mathematics and 4 teaches physic and mathematics. How many teaches physic
• A.

16

• B.

8

• C.

12

• D.

11

• 6.
How many elements are there in the power set of null set
• A.

0

• B.

1

• C.

Many

• D.

None of these

• 7.
If A and B are two sets having 3 and 6 elements respectively. What is the minimum number of elements present in AUB
• A.

3

• B.

9

• C.

6

• D.

2

• 8.
If a set contains n elements, then the number of elements in the power set
• A.

2n-1

• B.

2n

• C.

2n+1

• D.

2

• 9.
In a group of 50 persons, 14 drink tea but not coffee and 30 drink tea. How many drink tea and coffee both? How many drink coffee but not tea?
• A.

20,16

• B.

16,20

• C.

34,20

• D.

16,34

• 10.
A set can have infinitely many subset true or false?
• A.

True

• B.

False Back to top