Discrete mathematics Bank PO MCQ Questions With Answers Quiz Questions

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

A 2 is even and -3 is not negative B 2 is odd and -3 is not negative C 2 is even or -3 is not negative D 2 is odd or -3 is not negative

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

A 60 B 20

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

A (2, 6, 24) B (3, 5, 15) C (2, 9, 16) D (4, 15, 30)

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

A A = B A = B' C B = A D A' = B