Operation on Sets & Venn Diagrams Test

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Operation on Sets & Venn Diagrams Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is the empty set

A
{x: x is a natural number and x²− 1 = 0}

B
{x: x is a natural number and x²+ 1 = 0}

C
{x: x is a an integer number and x²− 9 = 0}

D
{x: x is a an integer number and x²= x + 2}
Question 2
1 / -0

Let n (⋃) = 700, n A = 200, n B = 300 and n (A ⋂ B) = 100, then n(A' ⋂ B')

A
400

B
600

C
300

D
200
Question 3
1 / -0

If A and B are any two sets, then A ∪ (A ∪ B) is equal to ______

A
A

B
B

C
A'

D
B'
Question 4
1 / -0

If A = {2, 4, 5}, B = {7, 8, 9}, then n (A × B) is equal to

A
6

B
9

C
3

D
0
Question 5
1 / -0

Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, A = {1, 2, 5}, B = {6, 7}, then A n B' is

A
B?

B
A

C
A'

D
B
Question 6
1 / -0

If A and B are disjoint, then n(A ∪ B) is equal to

A
n (A)

B
n (B)

C
n (A) + n (B)

D
n (A). n (B)
Question 7
1 / -0

30 teachers of a school either teach mathematics or physics. 22 of them teach mathematics while 4 teach both the subjects. Then the number of teachers teaching physics only is _____

A
12

B
8

C
16

D
15
Question 8
1 / -0

In a class of 100 students, 55 students have passed in Mathematics and 67 students have passed in Physics. Then the number of students who have passed in Physics only is _____

A
22

B
33

C
10

D
45
Question 9
1 / -0

If A = {1, 2, 3, 4, 5}, B = {2, 4, 6}, C = {3, 4, 6},then (A ∪ B) ∩ C is ?___

A
{3, 4, 6}

B
{1, 2, 3}

C
{1, 4, 3}

D
{1, 2}
Question 10
1 / -0

If W is the set of all whole numbers and P is the set of all prime numbers and C is the set of all composite numbers, then W - (CUP) is equal to?.........

A
{0}

B
{1}

C
{0, 1}

D
{ϕ}

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Re-Attempt Weekly Quiz Competition

Operation on Sets & Venn Diagrams Test - 4

Result

Operation on Sets & Venn Diagrams Test - 4

Score

-

Rank

-

SHARING IS CARING

Question 1

{x: x is a natural number and x2 − 1 = 0}

{x: x is a natural number and x2 + 1 = 0}

{x: x is a an integer number and x2 − 9 = 0}

{x: x is a an integer number and x2 = x + 2}

Question 2

400

600

300

200

Question 3

A

B

A'

B'

Question 4

6

9

3

0

Question 5

B?

A

A'

B

Question 6

n (A)

n (B)

n (A) + n (B)

n (A). n (B)

Question 7

12

8

16

15

Question 8

22

33

10

45

Question 9

{3, 4, 6}

{1, 2, 3}

{1, 4, 3}

{1, 2}

Question 10

{0}

{1}

{0, 1}

{ϕ}

User

Question Analysis

My Perfomance

Score

-

Rank

-

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{x: x is a natural number and x²− 1 = 0}

{x: x is a natural number and x²+ 1 = 0}

{x: x is a an integer number and x²− 9 = 0}

{x: x is a an integer number and x²= x + 2}