| 1 |
If R ={(0,2),(2,3),(3,4)} then Dom (R) is: |
- A. {0,3,4}
- B. {0,2,3}
- C. {0,2,4}
- D. {2,3,4}
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| 2 |
The complement of∪ is................ |
- A. ∪
- B. ∅
- C. impossible
- D. Union
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| 3 |
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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| 4 |
A and A<sup>c</sup>are.................................Set. |
- A. Universal
- B. Overlapping
- C. Disjoint
- D. Super
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| 5 |
The geometric mean of the a observations 2,4,8, is: |
- A. 2
- B. 8
- C. 4
- D. no geometric mean
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| 6 |
If A⊆ B then A⋃ B = __________ |
- A. A
- B. B
- C. ∅
- D. None of these
|
| 7 |
Sum of the deviations of values x from its mean is always ''i.e ∑(x-x̅)’is to equal: |
- A. itself
- B. zero
- C. median
- D. mode
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| 8 |
Point (-1, 4) lies in the quadrant: |
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| 9 |
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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| 10 |
The relation {(1, 2),(2, 3),(3, 3),(3, 4)} is: |
- A. Onto function
- B. In to function
- C. Not a function
- D. One-one function
|