Discrete Mathematics MCQs with answers Page - 4

Here, you will find a collection of MCQ questions on Discrete Mathematics. Go through these questions to enhance your preparation for upcoming examinations and interviews.

To check the correct answer, simply click the View Answer button provided for each question.

Have your own questions to contribute? Click the button below to share your MCQs with others!

+ Add Question

A

Admin • 802.91K Points
Coach

Q. The relation R defined on the set of natural numbers as {(a, b): a differs from b by 3} is given

  • (A) {(1, 4), (2, 5), (3, 6), ….}
  • (B) { (4, 1), (5, 2), (6, 3), ….}
  • (C) {(4, 1), (5, 2), (6, 3), ….}
  • (D) none of the above

A

Admin • 802.91K Points
Coach

Q. Two finite sets A and B have m and n elements respectively. If the total number of subsets of A is 112 more than the total number of subsets of B, then the value of m is

  • (A) 7
  • (B) 9
  • (C) 10
  • (D) 12

A

Admin • 802.91K Points
Coach

Q. Let X and Y be the sets of all positive divisors of 400 and 1000 respectively (including 1 and the number). Then, n (X ÇY) is equal to

  • (A) 4
  • (B) 6
  • (C) 8
  • (D) 12

A

Admin • 802.91K Points
Coach

Q. Let R = { ( 3, 3 ) ( 6, 6 ) ( ( 9, 9 ) ( 12, 12 ), ( 6, 12 ) ( 3, 9 ) ( 3, 12 ), ( 3, 6 ) } be a relation on the set A = { 3, 6, 9, 12 }. The relation is

  • (A) reflexive and transitive
  • (B) reflexive only
  • (C) an equivalence relation
  • (D) reflexive and symmetric only

A

Admin • 802.91K Points
Coach

Q. Let f : ( - 1, 1 ) → B be a function defined by f ( x ) = 2 1 x 1 2x tan - - , then f is both one-one and onto when B is the interval

  • (A) (0,π/2)
  • (B) (0,(-π)/2)
  • (C) (π/2,(-π)/2)
  • (D) ((-π)/2,π/2)

A

Admin • 802.91K Points
Coach

Q. Let R be the set of real numbers. If f : R → R is a function defined by f ( x ) = x2 , then f is]

  • (A) inject ve but not subjective
  • (B) subjective but not injective
  • (C) bijective
  • (D) none of these

A

Admin • 802.91K Points
Coach

Q. Which of the following statement is a proposition?

  • (A) get me a glass of milkshake
  • (B) god bless you!
  • (C) what is the time now?
  • (D) the only odd prime number is 2

A

Admin • 802.91K Points
Coach

Q. What is the value of x after this statement, assuming the initial value of x is 5? ‘If x equals to one then x=x+2 else x=0’.

  • (A) 1
  • (B) 3
  • (C) 0
  • (D) 2

A

Admin • 802.91K Points
Coach

Q. Let P: I am in Bangalore.; Q: I love cricket.; then q -> p(q implies p) is?

  • (A) if i love cricket then i am in bangalore
  • (B) if i am in bangalore then i love cricket
  • (C) i am not in bangalore
  • (D) i love cricket

A

Admin • 802.91K Points
Coach

Q. Let P: If Sahil bowls, Saurabh hits a century.; Q: If Raju bowls, Sahil gets out on first ball. Now if P is true and Q is false then which of the following can be true?

  • (A) raju bowled and sahil got out on first ball
  • (B) raju did not bowled
  • (C) sahil bowled and saurabh hits a century
  • (D) sahil bowled and saurabh got out

Add MCQ in this Category

If you want to share an MCQ question in this category, it's a great idea! It will be helpful for many other students using this website.

Share Your MCQ

Browse Categories

Click on category to learn MCQs of that category.