1 |
If set a has 3 elements and B has 4 then A x B has __________ elements. |
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2 |
The formula of group data of the median is: |
- A. l + h/f (n/2 -c)
- B. l +∑fx/∑f x n,
- C. l + f<sub>m </sub>- f<sub>1</sub>/2f<sub>m</sub> - f<sub>1</sub> - f<sub>2</sub> x n,
- D. A + ∑fu/∑f x n
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3 |
The number of elements of the power set {a,b} are. |
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4 |
The set {x} x∈ A and x∉ B } is....................... |
- A. A∪ B
- B. A∩ B
- C. A - B
- D. B - A
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5 |
If f is a function from A to B, then f is one - one function if: |
- A. Range f≠ A
- B. Range f = B
- C. Dom f = A
- D. Second element of all ordered pairs contained in f is not repeated.
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6 |
Which of the following is distributive property intersection over union? |
- 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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7 |
A set with no element is called. |
- A. Subset
- B. Empty set
- C. Singleton set
- D. Super set
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8 |
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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9 |
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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10 |
(A∩B)'= _____________ |
- A. A'∪B'
- B. A'∩B'
- C. A∩B
- D. A∪B
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