03rd
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# Discrete mathematics MCQ

• 03rd Mar, 2022
• 533 Followers

## 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

• 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}

• 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)

• A. 3
• B.6
• C.8
• D.12

• A. 16
• B.8
• C.2
• D.32

• 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

• 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

• 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

• 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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