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Welcome to the Discrete Structures MCQs Page

Dive deep into the fascinating world of Discrete Structures with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Discrete Structures, a crucial aspect of UGC CBSE NET Exam. In this section, you will encounter a diverse range of MCQs that cover various aspects of Discrete Structures, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within UGC CBSE NET Exam.

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Check out the MCQs below to embark on an enriching journey through Discrete Structures. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of UGC CBSE NET Exam.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Discrete Structures. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Discrete Structures MCQs | Page 14 of 19

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Q131.
Let A and B be two arbitrary events, then:

a.

P(A∩B) = P(A)P(B)

b.

P(AUB) = P(A)+P(B)

c.

P(AUB) ≤ P(A)+P(B)

d.

P(A/B) = P(A∩B)+P(B)

Discuss
Answer: (c).P(AUB) ≤ P(A)+P(B)
Q132.
The transitive closure of a relation R on set A whose relation matrix

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q133.
Consider the relation on the set of non-negative integers defined by x≡y if and only if:

a.

x mod 3=3 mod y

b.

3 mod x≡3 mod y

c.

x mod 3=y mod 3

d.

None of the above

Discuss
Answer: (c).x mod 3=y mod 3
Q134.
Minimum number of individual shoes to be picked up from a dark room (containing 10 pair of shoes) if we have to get atleast one proper pair:

a.

2

b.

20

c.

11

d.

None of these

Discuss
Answer: (c).11
Q135.
If f(x) =x+1 and g(x)=x+3 then fofofof is:

a.

g

b.

g+1

c.

g^4

d.

None of the above

Discuss
Answer: (b).g+1
Q136.
If Im denotes the set of integers modulo m, then the following are fields with respect to the operations of addition modulo m and multiplication modulo m:
(i) Z23      (ii) Z29
(iii) Z31    (iv) Z33

a.

(i) only

b.

(i) and (ii) only

c.

(i), (ii) and (iii) only

d.

(i), (ii), (iii) and (iv)

Discuss
Answer: (c).(i), (ii) and (iii) only
Q137.
Consider the following minimax game tree search. What will be the value propagated at the root?

a.

6

b.

3

c.

4

d.

5

Discuss
Answer: (d).5
Q138.
Use Dual Simplex Method to solve the following problem:

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (b).2
Q139.
Choose the correct answer from the options given below:

a.

(iii) only

b.

(ii) and (iii) only

c.

(i) and (ii) only

d.

(iv) only

Discuss
Answer: (a).(iii) only
Q140.
In mathematical logic, which of the following are statements?

(i) There will be snow in January.
(ii) What is the time now?
(iii) Today is Sunday.
(iv) You must study Discrete mathematics

a.

i and iii

b.

i and ii

c.

ii and iv

d.

iii and iv

Discuss
Answer: (a).i and iii
Page 14 of 19

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