Math 9 - All About Sets


Math Class 9
1. The objects involved in a set are called _________.




Math Class 9
2. Sets are denoted by __________.




Math Class 9
3. Elements of sets are denoted by __________.




Math Class 9
4. The presence of an element in a set is denoted by ___.




Math Class 9
5. Two methods of presenting a set are discriptive and _________ method.




6. Set of first five positive integers is a ________ method of representing a set.




Math Class 9
7. A set having no element is called _______.




Math Class 9
8. A ________ set is represented by { }.




Math Class 9
9. If number of elements in a set is finite then the set is called ________.




Math Class 9
10. A set which is not finite is called _______.




Math Class 9
11. __________ is a subset of every set.




Math Class 9
12. If A and B are two sets and every element of set A is an element of the set B then set is called ____ of set B.




Math Class 9
13. Every set is a _______ of itself.




Math Class 9
14. If A and B are two sets and every element of set A is also an element of set B but at least one element of set B is not an element of set A then set A is called a __________ set of B.




Math Class 9
15. Every set is a subset of itself but not a _______.




Math Class 9
16. If A and B are two sets and set is a subset of set B but there is no element of set B which is not present in set A then A is called ____________ subset of set B.




Math Class 9
17. All the subsets of a set except the set itself are ___________.




Math Class 9
18. Every set is ___________ of itself.




Math Class 9
19. There is no proper subset of _______.




Math Class 9
20. There is/are ________ proper subsets of single tonset.




Math Class 9
21. If A is any set containing of all the subsets of the set A is called ___________.




Math Class 9
22. If every element of set A is also an element of set B then and every element of a set B is also an element of a set A i.e.both the sets have the same elements then the set A and the set B are called _________.




Math Class 9
23. The symbol used for union of two sets is "U".




Math Class 9
24. A U B=B U A this commutative property holds in ________.




Math Class 9
25. The symbol used for intersection is __.




Math Class 9
26. A n B=B n A shows commotative property in _________.




Math Class 9
27. If A and B are two sets then their difference is given by _____.




Math Class 9
28. A set consisting of all the elements of sets under construction is called ________.




Math Class 9
29. A universal set is denoted by ___________.




Math Class 9
30. If U is a universl set A is a subset of U, then U - A is called ___________




Math Class 9
31. If number of elements in two sets is equal then they are called ___________.




Math Class 9
32. If A and B are two sets then to see that the given two sets are equivalent or not every element of set is associated with __ element of set B.




Math Class 9
33. If A and B are any two sets with no element common in these sets i.e. A n B=[ ] then set A and B are called ________.




Math Class 9
34. Set of natural numbers:




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35. Set of integers:




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36. Set of Prime numbers:




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37. Set of odd numbers:




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38. Set of even numbers:




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39. Set of whole numbers:




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40. Set of rational numbers:




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41. Set of irrational numbers




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42. Set of real numbers:




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43. A set can also be described by another way called _________-.




Math Class 9
44. If A, B, C are any three sets then (A U B) UC = A U (B U C) is called




Math Class 9
45. If A, B, C, are any three sets then (A n B) n C = A(BnC) is called _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .




Math Class 9
46. If A, B, C, are any three sets then AU(BnC)=(AUB)n(AUC) is called _ _ _ _ _ _ _ _ _ .




Math Class 9
47. _ _ _ _ _ _ _ means a pairs of two numbers in which the sequence of these numbers is maintained.




Math Class 9
48. _ _ _ _ _ _ _ of any set can be written in any sequence.




Math Class 9
49. There is a clear difference between an orderd and _ _ _ _ _ _ _ _ .




Math Class 9
50. If A and B are two non-empty sets, then every subset R of set AxB is called _ _ _ _ _ _ .




Math Class 9
51. Binary relations of A x B and B x A is _ _ _ _ _ _ _ .




Math Class 9
52. If the number of elements in set A is M and in set B, is N then number of binary relation in AxB will be_ _ _ _ .




Math Class 9
53. If set R is a binary relation then the set consisting of first elements of all the orered pairs of R is called _ _ _ _ .




Math Class 9
54. The set consisting of second elements of all the odered pairs of R is called _ _ _ _ _ _ .




Math Class 9
55. N = [1, 2, 3, 4, ..........]




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56. W = [0, 1, 2, 3, 4, ..................]




Math Class 9
57. Z = [.........-3, -2, -1, 0, 1, 2, 3, 4, 5, ..........]




Math Class 9
58. P = [2, 3, 5, 7, 11, ...]




Math Class 9
59. O = [1, 3, 5, 7, 9, .........]




Math Class 9
60. E = [2, 4, 6, 8, ...........]




Math Class 9
61. The union of two sets A and B is a set consisting of all the elements of set A and B.


62. A U B=[1, 2, 3, 5, 7, 9, 11]
B U A=[1, 2, 3, 5, 7, 9, 11] shows




Math Class 9
63. The intersection of two sets A and B is a set consisting of all the common elements of set A and set B


64. A n B=[-2, 0, 3]
B n A=[-2, 0, 3] shows




Math Class 9
65. Difference of two sets is equal to?




Math Class 9
66. A - B contains all the elements of a set A which are not present in set B


67. If A = [2, 3, 4, 5] and B=[3, 5, 11, 15] then A - B is equal to




Math Class 9
68. If A is a proper subset of B (A(B)] then A - B=




Math Class 9
69. How a universal set is denoted:




Math Class 9
70. If some students of class X are under consideration then a set consisting of all students of class X shall be a _ _ _ _ _ _ _ .




Math Class 9
71. If there is some problem under consideration about all the students of a school then :




Math Class 9
72. If U is a universal set and set A is a subset of U, then U - A is called :




Math Class 9
73. Q




Math Class 9
74. R = Q U Q'




Math Class 9
75. Writing a set in the form of [1, 2, 3, 4, 5,] is called _ _ _ _ _ _ _ _ .




Math Class 9
76. If A, B and C are three sets then AU(BnC)=(AUB)n(AUC) is called distributive property of _ _ _ _ _ over _ _ _ _ _ _ .




Math Class 9
77. Two methods of presenting a set are _______ and tabular method.




Math Class 9
78. If a set contains k elements then P(A) will contain




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79. If number of elements in A are 3 and in set B is 4 then number of elements in A x B are



Math Class 9
80. If f is a function from set A to set B such that then



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81. If N= set of Natural numbers P= Set of Prime Numbers then N n P is




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82. If A={1,3,5,7} and B= {2,3,5,7,11} then B-A is



Math Class 9
83. If (3, y+1) = (3,-1) then value of y will be 2



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84. The ordinate of any point on X-axis is always



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85. If A contains 6 elements and B has 7 elements then the number of all possible binary relations are



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86. If A= {x?xeP and xis smaller than 23} then tabular form of A is




Math Class 9
87. The range of f = {(a,x), (b,y), (c,y),(d,t)} is




Math Class 9
88. If U= {1,2,3,4,5,�..10}
A= {2,4,6,8,10}
B= {3,6,9} then (AUB)c is




Math Class 9
89. If U= {1,2,3, ........10}
A= {2,3,5,7} , B= {1,3,5,7,9} then (AnB)c is




Math Class 9
90. If A?B then AUB is




Math Class 9
91. If X ? Y then X n Y is?




Math Class 9
92. If A = {1,2,3,} B= {a,b,c} and f= {(1,a), (1,b) (2,c), (3,b)} then f is




Math Class 9
93. If B={y?yeE2 is smaller than y and is smaller than 4} then tabular form of B is




Math Class 9
94. If AnB = ? then




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95. If A is any set then A-Ac




Math Class 9
96. An(BUC) = (AnB) U (AnC) is called




Math Class 9
97. If E= set of Even numbers
O= set of odd numbers then EnO is




Math Class 9
98. The set of first five positive integers is a tabular method of presenting a set.


99. The presence of an element in a set is denoted by the symbol


100. Set of integer is an infinite set.


101. If A and B are any two sets and A is not a subset of B, is denoted as A�B.


102. Every set is a subset and proper subset of itself.


103. The union of two sets A and B is a set consisting of all the elements of set A and set B.


104. If A is a subset of given universal set �U� then A U Ac=F


105. A - B is a set that consists of all the elements of a set A, which are present in set B.


106. If A ={x,y,z}, B={2,3,4} then set A and set B are called equivalent sets.


107. If A ={2,3,5,7,11}, then the set builder notation of set A is {x?x?P^2 smaller than x smaller than 11}.


108. If A ={o,1,2,3,..........}, B={1,2,3,.........} then A-B={0}


109. If U=N, A= F then Ac= F


110. Orders pair means a pair of two numbers in which the sequence of these numbers is maintained.


111. The elements �a� and �b� of an order pair (a,b) are called the coordinates of the point P.


112. The point (-3, -4) lies in fourth quadrant.


113. If set R is a binary relation, then the set consisting of second elements of all the ordered pairs of R is called the domain of R.


114. If f is a function from set A to set B that Range (f) �B, then f is called an into function from set A to B.


115. If there are five elements in a set A and three elements in a set B, the number of elements in A x B are 1028.


116. IF L={a,b,c,d} and R={(a,b), (b,c) (c,d), (a,a)} the R is a function from L on to L.


117. If the number of elements in set �A� is �n� then the number of element in P(A) is 2n.


118. If the number of elements in set X and set Y is 3 each, the number of binary relations in X � Y is 29


119. In ordered pair (2, -3) the ordinate of point is 2.


120. If D={3x/Xe W^X is smaller than 10} the descriptive form of D is {3,6,9,12,15,18,21,24,27,30}


121. A set is a collection of well defined _____________ objects.


Math Class 9
122. The range of R={(3,4), (5,7), (8,11)} is {4,7,11}.


123. If there is no element present in a set, it is called _____________ set.


Math Class 9
124. _________________set is a proper subset of every non-empty set.


Math Class 9
125. There is only one proper subset of a _______________ set.


Math Class 9
126. Every set is an improper subset of _________________.


Math Class 9
127. The set consisting of all the subsets of a set is called ____________set.


Math Class 9
128. If A = ?x, y, z, p} then P (A) will consist of ______________ elements.


Math Class 9
129. Two sets A and B are said to be ___________ sets, if A is a sub set of B and B is a subset of A.


Math Class 9
130. If A B then A B = ________________.


Math Class 9
131. For any set A, AAc = ______________.


Math Class 9
132. For any set x x� xc = _________________.


Math Class 9
133. Every two equal sets are also _____________ sets.


Math Class 9
134. If AB = ? then A and B are called ___________ sets.


Math Class 9
135. ____________________ can be established between two equivalent sets.


Math Class 9
136. If two sets have at least one element common in them and none of the set is the subset of the other set then the sets are called ______________ sets.


Math Class 9
137. The union of rational and irrational numbers is called ______________Number.


Math Class 9
138. If A, B and C are three sets then AU (BnC) = (AU B) n _______.


Math Class 9
139. If A = {2, 4, 6, 8, 10} then set builder notation of set A is _______________________.


Math Class 9
140. If (X �2, 3) = (- 3 , 3) the X = ____________________.


Math Class 9
141. In (-2, 5) the abscissa is __________________.


Math Class 9
142. If abscissa of a point is positive and ordinate of it is negative, the point will lie in ____________ quadrant.


Math Class 9
143. Every subset of a Cartesian product is called _____________relation.





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