Explore topic-wise MCQs in Discrete Mathematics.

This section includes 9 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.

Determine the solution for the recurrence relation an = 6an-1 8an-2 provided initial conditions a0=3 and a1=5.

A. a<sub>n</sub> = 4 * 2<sup>n</sup> 3<sup>n</sup>
B. a<sub>n</sub> = 3 * 7<sup>n</sup> 5*3<sup>n</sup>
C. a<sub>n</sub> = 5 * 7<sup>n</sup>
D. a<sub>n</sub> = 3! * 5<sup>n</sup>
Answer» C. a<sub>n</sub> = 5 * 7<sup>n</sup>
2.

Determine the value of a2 for the recurrence relation an = 17an-1 + 30n with a0=3.

A. 4387
B. 5484
C. 238
D. 1437
Answer» E.
3.

What is the solution to the recurrence relation an=5an-1+6an-2?

A. 2n<sup>2</sup>
B. 6n
C. (3/2)n
D. n!*3
Answer» C. (3/2)n
4.

Determine the solution for the recurrence relation bn=8bn-1 12bn-2 with b0=3 and b1=4.

A. 7/2*2<sup>n</sup> 1/2*6<sup>n</sup>
B. 2/3*7<sup>n</sup>-5*4<sup>n</sup>
C. 4!*6<sup>n</sup>
D. 2/8<sup>n</sup>
Answer» B. 2/3*7<sup>n</sup>-5*4<sup>n</sup>
5.

The solution to the recurrence relation an=an-1+2n, with initial term a0=2 are _________

A. 4n+7
B. 2(1+n)
C. 3n<sup>2</sup>
D. 5*(n+1)/2
Answer» C. 3n<sup>2</sup>
6.

Find the value of a4 for the recurrence relation an=2an-1+3, with a0=6.

A. 320
B. 221
C. 141
D. 65
Answer» D. 65
7.

If Sn=4Sn-1+12n, where S0=6 and S1=7, find the solution for the recurrence relation.

A. a<sub>n</sub>=7(2<sup>n</sup>) 29/6n6<sup>n</sup>
B. a<sub>n</sub>=6(6<sup>n</sup>)+6/7n6<sup>n</sup>
C. a<sub>n</sub>=6(3<sup>n+1</sup>) 5n
D. a<sub>n</sub>=nn 2/6n6<sup>n</sup>
Answer» C. a<sub>n</sub>=6(3<sup>n+1</sup>) 5n
8.

Determine the solution of the recurrence relation Fn=20Fn-1 25Fn-2 where F0=4 and F1=14.

A. a<sub>n</sub> = 14*5<sup>n-1</sup>
B. a<sub>n</sub> = 7/2*2<sup>n</sup> 1/2*6<sup>n</sup>
C. a<sub>n</sub> = 7/2*2<sup>n</sup> 3/4*6<sup>n+1</sup>
D. a<sub>n</sub> = 3*2<sup>n</sup> 1/2*3<sup>n</sup>
Answer» C. a<sub>n</sub> = 7/2*2<sup>n</sup> 3/4*6<sup>n+1</sup>
9.

Consider the recurrence relation a1=4, an=5n+an-1. The value of a64 is _________

A. 10399
B. 23760
C. 75100
D. 53700
Answer» B. 23760