Quiz  /  Discrete mathematics 1 st MCQ Questions With Answers

  • 1. 
    Which of the following statement is the negation of the statement,"2 is even and -3 is negative" ?

  • 2 is even and -3 is not negative
  • 2 is odd and -3 is not negative
  • 2 is even or -3 is not negative
  • 2 is odd or -3 is not negative

  • 2. 
    The number of distinguishable permutations of the letters in the word BANANA are,

  • 60
  • 20

  • 3. 
    Let N = {1, 2, 3, ..... } be ordered by divisibility, which of the following subset is totally ordered,

  • (2, 6, 24)
  • (3, 5, 15)
  • (2, 9, 16)
  • (4, 15, 30)

  • 4. 
    If A x B = B x A, (where A and B are general matrices) then

  • A =
  • A = B'
  • B = A
  • A' = B
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