Explore topic-wise MCQs in Discrete Mathematics.

This section includes 7 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.

What is the induction hypothesis assumption for the inequality m ! > 2m where m>=4?

A. for m=k, k+1!&gt;2<sup>k</sup> holds
B. for m=k, k!&gt;2<sup>k</sup> holds
C. for m=k, k!&gt;3<sup>k</sup> holds
D. for m=k, k!&gt;2<sup>k+1</sup> holds
Answer» C. for m=k, k!&gt;3<sup>k</sup> holds
2.

Which of the following is the base case for 4n+1 > (n+1)2 where n = 2?

A. 64 &gt; 9
B. 16 &gt; 2
C. 27 &lt; 91
D. 54 &gt; 8
Answer» B. 16 &gt; 2
3.

According to principle of mathematical induction, if P(k+1) = m(k+1) + 5 is true then _____ must be true.

A. P(k) = 3m<sup>(k)</sup>
B. P(k) = m<sup>(k)</sup> + 5
C. P(k) = m<sup>(k+2)</sup> + 5
D. P(k) = m<sup>(k)</sup>
Answer» C. P(k) = m<sup>(k+2)</sup> + 5
4.

By induction hypothesis, the series 12 + 22 + 32 + + p2 can be proved equivalent to ____________

A. ( frac{p^2+2}{7} )
B. ( frac{p*(p + 1)*(2p + 1)}{6} )
C. ( frac{p*(p+1)}{4} )
D. p+p<sup>2</sup>
Answer» C. ( frac{p*(p+1)}{4} )
5.

For any integer m>=3, the series 2+4+6+ +(4m) can be equivalent to ________

A. m<sup>2</sup>+3
B. m+1
C. m<sup>m</sup>
D. 3m<sup>2</sup>+4
Answer» B. m+1
6.

For m = 1, 2, , 4m+2 is a multiple of ________

A. 3
B. 5
C. 6
D. 2
Answer» E.
7.

What is the base case for the inequality 7n > n3, where n = 3?

A. 652 &gt; 189
B. 42 &lt; 132
C. 343 &gt; 27
D. 42 &lt;= 431
Answer» D. 42 &lt;= 431