Explore topic-wise MCQs in Discrete Mathematics.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Discrete Mathematics knowledge and support exam preparation. Choose a topic below to get started.

1.

State whether the given statement is True or False.
LCM (a, b, c, d) = LCM(a,(LCM(b,(LCM(c, d)))).

A. True
B. False
Answer» B. False
Discussion
2.

If a number is 22 x 31 x 50 and b is 21 x 31 x 51 then lcm of a, b is?

A. 2<sup>2</sup> x 3<sup>1</sup> x 5<sup>1</sup>
B. 2<sup>2</sup> x 3<sup>2</sup> x 5<sup>2</sup>
C. 2<sup>3</sup> x 3<sup>1</sup> x 5<sup>0</sup>
D. 2<sup>2</sup> x 3<sup>2</sup> x 5<sup>0</sup>
Answer» B. 2<sup>2</sup> x 3<sup>2</sup> x 5<sup>2</sup>
Discussion
3.

If a, b are integers such that a > b then lcm(a, b) lies in _________

A. a&gt;lcm(a, b)&gt;b
B. a&gt;b&gt;lcm(a, b)
C. lcm(a, b)&gt;=a&gt;b
D. none of the mentioned
Answer» D. none of the mentioned
Discussion