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This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
1. |
(a1, a2) ∈R implies that (a2, a1) ∈ R, for all a1, a2∈A. This condition is for which of the following relations? |
A. | Equivalence relation |
B. | Reflexive relation |
C. | Symmetric relation |
D. | Universal relation |
Answer» D. Universal relation | |
2. |
(a,a) ∈ R, for every a ∈ A. This condition is for which of the following relations? |
A. | Reflexive relation |
B. | Symmetric relation |
C. | Equivalence relation |
D. | Transitive relation |
Answer» B. Symmetric relation | |
3. |
Let I be a set of all lines in a XY plane and R be a relation in I defined as R = {(I1, I2):I1 is parallel to I2}. What is the type of given relation? |
A. | Reflexive relation |
B. | Transitive relation |
C. | Symmetric relation |
D. | Equivalence relation |
Answer» E. | |
4. |
Let R be a relation in the set N given by R={(a,b): a+b=5, b>1}. Which of the following will satisfy the given relation? |
A. | (2,3) ∈ R |
B. | (4,2) ∈ R |
C. | (2,1) ∈ R |
D. | (5,0) ∈ R |
Answer» B. (4,2) ∈ R | |