03rd
Mar
Discrete mathematics MCQ

Discrete mathematics MCQ

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  • 03rd Mar, 2022
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Take Discrete mathematics Quiz To test your Knowledge

Below is the few Discrete mathematics MCQ test that checks your basic knowledge of Discrete mathematics. This Discrete mathematics Test contains around 20 questions of multiple choice with 4 options. You have to select the right answer to a question.

Discrete Mathematics MCQ Quiz

1) Which of the following is the set of positive integers?

  • A. Infinite
  • B.Subset
  • C.Finite
  • D.Empty

2) Which of the following is union of {1, 2, 5} and {1, 2, 6}?

  • A. {1, 2, 5, 6}
  • B.{1, 2, 6, 1}
  • C.{1, 2, 1, 2}
  • D.{1, 5, 6, 3}

3) Which of the following is complement of the set A?

  • A. A – U
  • B.A – B
  • C.U – A
  • D.B – A

4) The relation between sets A, B, C as shown by venn diagram is

  • A. A is subset of B and B is subset of C
  • B.C is subset of B and B is subset of A
  • C.C is not a subset of A and A is subset of B
  • D.None of These

5) Which of the following statement is false?

  • A. A ∩ A = A
  • B.(A U B)’ = A’ U B’
  • C.A U A = A
  • D.A – (B ∩ C) = (A – B) U (A –C)

6) If a set contains 3 elements then the number of subsets are?

  • A. 3
  • B.6
  • C.8
  • D.12

7) How many bytes are required to encode 2000 bits of data?

  • A. 16
  • B.8
  • C.2
  • D.32

8) Floor (2.4) + Ceil (2.9) is equal to

  • A. 4
  • B.5
  • C.6.3
  • D.7

9) Which of the following is a collection of graph?

  • A. Row and coloumn
  • B.Vertices and columns
  • C.Equation
  • D.None of above

10) Which of the following is a error correcting code?

  • A. Error deducting code
  • B.Hamming code
  • C.Gray code
  • D.None of the above

11) The set of positive integers under the operation of ordinary multiplication is

  • A. Not a monoid
  • B.A group
  • C.Not a group
  • D.An Abelian group

12) The number of eight-bit strings beginning with either 111 or 101 is -

  • A. 64
  • B.128
  • C.256
  • D.312

13) Let A and B be two arbitrary events, then

  • A. P(AUB) = P(A)+P(B)
  • B.P(A∩B) = P(A)P(B)
  • C.P(AUB) ≤ P(A)+P(B)
  • D.P(A/B) = P(A∩B)+P(B)

14) . The sum of square of the first n natural numbers is given by

  • A. n(n-1)/2(2n+1)
  • B.n(n+1)(2n+1)/6
  • C.n2(n+1)(2n+1)/6
  • D.None of these

15) The sequence 1, 1, 1, 1, 1…. is?

  • A. Not absolutely summable
  • B.Absolutely summable
  • C.Can’t say
  • D.None of These

16) The sequence 1, 1, 1, 1, 1…. is?

  • A. Not absolutely summable
  • B.Absolutely summable
  • C.Can’t say
  • D.None of These

17) Which of the following is cardinality of the set A = {1, 2, 3, 4, 6}?

  • A. 4
  • B.5
  • C.6
  • D.3

18) A matrix having many rows and one column is known as -

  • A. Diagonal matrix
  • B.Row matrix
  • C.Column matrix
  • D.None of the above

19) Let A order(axb) and Border(cxd) be two matrices, then if AB exists, the order of AB is?

  • A. bxc
  • B.axd
  • C.axb
  • D.cxd

20) If determinant of a matrix A is Zero then

  • A. A is a non-Singular matrix
  • B.A is a Singular matrix
  • C.Can’t say
  • D.None of These

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