| 1 |
The number of elements in power set {1,2,3}: |
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| 2 |
if A∩ b =∅, then set A and B are .................sets. |
- A. sub
- B. over kaooubg
- C. Disjoint
- D. Power
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| 3 |
By definition, which of the following is a set? |
- A. {a,b,c,d}
- B. {1,2,3,2}
- C. {l,m,n,o}
- D. {0,1,2,3,1}
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| 4 |
A set containing no element is called. |
- A. subset
- B. Empty set
- C. Singleton set
- D. Super set
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| 5 |
If B={1,2,100} and C = {2,100}, then B<b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: small;">∩</b><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: small;">C = ________</span> |
- A. {1,2}
- B. {1,2,100}
- C. {2}
- D. {2,1}
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| 6 |
If number of elements in se A is 3 and in set B is 2, then number or binary relations in A x B is. |
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| 7 |
The formula of grouped data of the arithmetic mean is: |
- A. X̅ = ∑X/n
- B. X̅ = A + ∑fX/∑X
- C. X̅ = ∑fX/n
- D. X̅ = l +n/f (n/2 - c)
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| 8 |
Which of the following is commutative law? |
- A. A∪ (B ∪ C) = (A∪ B)∪ C
- B. A∩ (B∩C)= (A∩B)∩C
- C. A∪ B = B ∩ A
- D. (A ∪ b)<sup>c</sup> = A<sup>c</sup> ∩ B<sup>c</sup>
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| 9 |
Power set of empty set. |
- A. ∅
- B. {a}
- C. {∅,{a}}
- D. {∅}
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| 10 |
The point (-5,-7) lies in ........ quadrant. |
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