Sets, Relations and Functions Test

Result

Sets, Relations and Functions Test - 63

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

A
65

B
17

C
63

D
15

Solution
Question 2
4 / -1

A

B

C

D
None of these

Solution
Question 3
4 / -1

A

B

C

D

Solution
Question 4
4 / -1

A
A'

B
A

C
B'

D
None of these

Solution
Question 5
4 / -1

A

B

C

D
None of these

Solution
Question 6
4 / -1

25 people for programme A, 50 people for programme B, 10 people for both. So, number of employee employed only A is

A
15

B
20

C
35

D
40

Solution
Question 7
4 / -1

A

B

C

D
Question 8
4 / -1

Let X = {1,2,3,4,5} and Y = {1,3,5,7,9}. Which of the following is/are relations from X to Y

A
R₁ = {(x, y)|y = 2 + x, x ϵ Y, y ϵ Y}

B
R₂ = {(1,1), (2,1), (3,3), (4,3), (5,5)}

C
R₃ = {(1,1),(1, 3), (3, 5),(3, 7),(5, 7)}

D
R₄ = {(1,3),(2,5),(2,4),(7, 9)}

Solution
Question 9
4 / -1

Let P = {(1, y)| x² + y² = 1, x, y ϵ R}. then P is

A
Reflexive

B
Symmetric

C
Transitive

D
Anti – symmetric

Solution
Question 10
4 / -1

Let R be an equivalence relation on a finite set A having n elements. Then the number of ordered pairs in R is

A
Less than n

B
Greater than or equal to n

C
Less than or equal to n

D
None of the above