Discrete Mathematics Practice Test 2

1. Which of the following statements regarding sets is false?

2. Let Universal set U is {1, 2, 3, 4, 5, 6, 7, 8}, (Complement of A) A' is {2, 5, 6, 7}, A ∩ B is {1, 3, 4} then the set B' will surely have of which of the element?

3. If set A has 4 elements and B has 3 elements then set n(A X B) is?

4. Write set {1, 5, 15, 25,...} in set-builder form.

5. Two sets A and B contains a and b elements respectively. If power set of A contains 16 more elements than that of B, value of ‘b’ and ‘a’ are _______

6. The shaded area of figure is best described by?

7. What is the range of a function?

8. The bit strings for the sets are 1111100000 and 1010101010. The union of these sets is ___________

9. Let the students who likes table tennis be 12, the ones who like lawn tennis 10, those who like only table tennis are 6, then number of students who likes only lawn tennis are, assuming there are total of 16 students.

10. What is domain of function f(x)= x^1/2?