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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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