IITM BS Question 28 - Week 1 Practice

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IITM BS Question 28 - Week 1 Practice | Prasnya

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Q28Comprehension2 Marks16 Jul 2023

Passage

Let

S=\{\text{Jan},\text{Feb},\text{March},\text{April},\text{May}\}

be a set of months of a particular year. Consider the following relations on the set

S

R_1=\{(\text{Feb},\text{Feb}),(\text{March},\text{April}),(\text{April},\text{March}),(\text{March},\text{March})\}

R_2=\{(\text{Jan},\text{Jan}),(\text{Feb},\text{Feb}),(\text{March},\text{March}),(\text{April},\text{April}),(\text{May},\text{May})\}

. From the below list of given terms find out the best possible options for each of the given subquestions:

1)

Reflexive relation;

2)

Symmetric relation;

3)

Transitive relation;

4)

Not an equivalence relation;

5)

Not a function;

6)

Injective (One-one) function;

7)

Surjective (Onto) Function.

Find the cardinality of the set

(S\times S)\setminus R_2

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Q28

00:00

16 Jul 2023

Mathematics 1 · Week 1

Q28.Find the cardinality of the set

(S\times S)\setminus R_2

.@passage

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