| 1 |
A set with no element is called. |
- A. Subset
- B. Empty set
- C. Singleton set
- D. Super set
|
| 2 |
The number of element in power set {1.2.3} is. |
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| 3 |
If x∈ A and x∈ B, then {x} is equal to . |
- A. A - B
- B. A<sup>c</sup>
- C. A∩ B
- D. B<sup>c</sup>
|
| 4 |
If A⊆ B the A⋂ B = ______ |
|
| 5 |
A set containing no element is called. |
- A. subset
- B. Empty set
- C. Singleton set
- D. Super set
|
| 6 |
If R= { (a,2),(b,3),(c,3) }, then Dom R = ________________ |
- A. {1,2}
- B. {1,2,3}
- C. {a,b,c}
- D. {a,c}
|
| 7 |
Point (-1, 4) lies in the quadrant: |
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| 8 |
if A∩ b =∅, then set A and B are .................sets. |
- A. sub
- B. over kaooubg
- C. Disjoint
- D. Power
|
| 9 |
The range of R = {(1, 3), (2, 2), (3, 1), (4, 4)} is: |
- A. {1, 2, 4}
- B. {3, 2, 4}
- C. {1, 2, 3, 4}
- D. {1, 3, 4}
|
| 10 |
Which of the following is De-Morgan's law? |
- A. (A∪ B)∪ C = A∪ ( B∪ C)
- B. (A∩B)<sup>C</sup>= A<sup>c</sup>∪ B<sup>c</sup>
- C. A∪ (B∩ C) = ( A∪ B)∩ (A∪ C)
- D. A∩(B∪ C) = (A∩B)∪(A∩C)
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