| 1 |
If two sets have some elements common but not all are called......... sets |
- A. Sub
- B. OVERLAPPING
- C. Disjoint
- D. Super
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| 2 |
If A is subset of U, then (A<sup>c</sup>)<sup>c</sup>= ......... |
- A. A
- B. A<sup>c</sup>
- C. U<sup>c</sup>
- D. ∅
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| 3 |
If set a has 3 elements and B has 4 then A x B has __________ elements. |
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| 4 |
if A and B are disjoint sets , then A∪ B is equal to. |
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| 5 |
The harmonic mean of the observation 0,15,12, is: |
- A. 3.7
- B. 7.3
- C. 6.7
- D. no harmonic mean
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| 6 |
If A ={0,1,2}, B={2,3,4,5} , then A<span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: small;">∪B are:</span> |
- A. Empty sets
- B. Equal sets
- C. Overlapping sets
- D. Disjoint set
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| 7 |
Which of the following is distributive property of union over intersection? |
- A. A∪ (B ∪ C) = A∪ (B∪ C)
- B. A∩ (B∩C)= (A∩B)∩C
- C. A∪ (B∩ C) = ( A∪ B)∩ (A∪ C)
- D. A∩(B∪ C) = (A∩B)∪(A∩C)
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| 8 |
O - E = ............ |
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| 9 |
The Range of R<div>={(1,3),(2,2),(3,1)(4,4)} is.</div> |
- A. {1,2,4}
- B. {3,2,4}
- C. {1,2,3,4}
- D. {1,3,4}
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| 10 |
The Range of R is, if R = {(1,3),(2,2),(3,1),(4,4)}. |
- A. {1,2,4}
- B. {3,2,4}
- C. {1,2,3,4}
- D. {1,3,4}
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