| 1 |
O - E = ............ |
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| 2 |
If { x|x=p/q, q<span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">≠0,p,q</span><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">∈Z</span>} then this is a _____________ |
- A. Set of even numbers
- B. Set of rational number
- C. Set of irraional numbers
- D. Set of integers
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| 3 |
If f is a function from A to B, then f is onto 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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| 4 |
Formula of variance is group data is: |
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| 5 |
O∩ E = .................... |
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| 6 |
If x∈ U and x∉ A, then {x} is equal to .................... |
- A. U<sup>c</sup>
- B. A<sup>c</sup>
- C. ∅<sup>c</sup>
- D. A - U
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| 7 |
The relation {(a,b),(b,c),(a,d)} is.................................... |
- A. A function
- B. Not a function
- C. Range
- D. Domain
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| 8 |
Power set of an empty set is. |
- A. ∅
- B. {a}
- C. {∅,{a}}
- D. {∅}
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| 9 |
The number of elements in the power set of {1,2,3,4}. |
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| 10 |
If A⊆ B then A⋃ B = __________ |
- A. A
- B. B
- C. ∅
- D. None of these
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