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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 11 of 19

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Q101.
Consider a weighted undirected graph with positive edge weights and let (u, v) be an edge in the graph. It is known that the shortest path from source vertex s to u has weight 53 and shortest path from s to v has weight 65. Which statement is always true ?

a.

Weight (u, v) <= 12

b.

Weight (u, v) = 12

c.

Weight (u, v) >= 12

d.

Weight (u, v) > 12

Discuss
Answer: (c).Weight (u, v) >= 12
Q102.
In any simplex table, if corresponding to any negative Dj, all elements of the column are negative or zero, the solution under the test is

a.

degenerate solution

b.

unbounded solution

c.

alternative solution

d.

non-existing solution

Discuss
Answer: (b).unbounded solution
Q103.
Let a * H and b * H be two co-sets of H.

(i) Either a * H and b * H are disjoint
(ii) a * H and b * H are identical

Then,

a.

only (i) is true

b.

only (ii) is true

c.

(i) or (ii) is true

d.

(i) and (ii) is false

Discuss
Answer: (c).(i) or (ii) is true
Q104.
Domain and Range of the function
Y = –√(–2x + 3) is

a.

x≥3/2, y≥0

b.

x>3/2, y≤0

c.

x≥3/2, y≤0

d.

x≤3/2, y≤0

Discuss
Answer: (d).x≤3/2, y≤0
Q105.
Maximum number of edges in a n-Node undirected graph without self loop is

a.

n^2

b.

n(n – 1)

c.

n(n + 1)

d.

n(n – 1)/2

Discuss
Answer: (d).n(n – 1)/2
Q106.
What is the probability of choosing correctly an unknown integer between 0 and 9 with 3 chances?

a.

963/1000

b.

973/1000

c.

983/1000

d.

953/1000

Discuss
Answer: (a).963/1000
Q107.
Any integer composed of 3^n identical digits divisible by

a.

2^n

b.

3^n

c.

5^n

d.

7^n

Discuss
Answer: (b).3^n
Q108.
The circumferences of the two concentric disks are divided into 100 sections each. For the outer disk, 100 of the sections are painted red and 100 of the sections are painted blue. For the inner disk, the sections are painted red and blue in an arbitrary manner. It is possible to align the two disks so that …………… of the sections on the inner disks have their colours matched with the corresponding section on outer disk.

a.

100 or more

b.

125 or more

c.

150 or more

d.

175 or more

Discuss
Answer: (a).100 or more
Q109.
The proposition ~pvq is equivalent to

a.

p->q

b.

q->p

c.

p<->q

d.

pvq

Discuss
Answer: (a).p->q
Q110.
The number of integers between 1 and 250 that are divisible by 2, 5 and 7 is

a.

2

b.

3

c.

5

d.

8

Discuss
Answer: (b).3
Page 11 of 19

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