| 1 |
The set having only one element is called. |
- A. Null set
- B. Power set
- C. Singleton set
- D. Subset
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| 2 |
If A= {1,2,3} , B ={4,5} and R+{(1,4),(2,5),(3,4)} then R is __________ |
- A. One - one function from A to B
- B. A function A to A
- C. Not a funtion
- D. An onto function from A to B
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| 3 |
Power set of empty set. |
- A. ∅
- B. {a}
- C. {∅,{a}}
- D. {∅}
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| 4 |
N∩ W = .................. |
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| 5 |
When the number of observations of a set of data is even then the median formula is: |
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| 6 |
The point (-5,-7) lies in ........ quadrant. |
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| 7 |
O∪ E = ................<p class="MsoNormal"><!--[endif]--><o:p></o:p></p> |
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| 8 |
U' = ________________ |
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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 |
If A⊆ B then A∪ B is equal to |
- A. A
- B. B
- C. ∅
- D. None of these
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