Assessment on Sets

1. Describe the set in a set builder form A = {January , June, July}, put or in the spaces provided

January ……… A

1. B.   C.  D.
2. B = {SS1, SS2, SS3}; where SS denotes senior secondary class.

25 ……….. B

1. A. B.   C.  D.
2. Which of these sets is not null?
3. The set of all female presidents in Nigeria between 1960 and 1998
4. F = {d | d is a letter before ‘f’ in the English alphabets}
5. D = {x | x²= 4 and 2x = 6}
6. A = {y | y   y}
7. Let the universal set U be the set of all real numbers. If S = {x | x²– 3x + 2 = 0}, decide which of following statements is correct
8. 1 S B. 2 S C. 4S D. 3S
9. Which of the symbols denotes a null set?
10. B. C.  D. { }