| 1 |
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}
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| 2 |
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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| 3 |
U' = ________________ |
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| 4 |
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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| 5 |
The relation R = {(1,2),(2,3),(3,3),(3,4)} IS: |
- A. Not a function
- B. Onto function
- C. One-One function
- D. Into function
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| 6 |
the set {0,<span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">±<b>1,</b></span><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">±2,</span><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">±3,........</span>} is: |
- A. Set of natural numbers
- B. Set of whole numbers
- C. Set of prime numbers
- D. Set of integers
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| 7 |
Power set of empty set. |
- A. ∅
- B. {a}
- C. {∅,{a}}
- D. {∅}
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| 8 |
N∩ W = .................. |
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| 9 |
A set Q = {a/b} a, b∈ Z ^ b≠ 0} is called a set of. |
- A. Whole numbers
- B. Natural number
- C. Irrational numbers
- D. Rational numbers
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| 10 |
Which of the following is associative law of 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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