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प्रश्न
State whether or not the following elements form a set; if not, give reason:
All triangles that are difficult to draw
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उत्तर
No
It may be difficult for one boy to draw a given triangle but to some other boy it may be easy to draw the same triangle.
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संबंधित प्रश्न
State whether or not the following elements form a set; if not, give reason:
The first five counting numbers
State whether or not the following elements form a set; if not, give reason:
All clever boys of class 6
If set A = {2, 3, 4, 5, 6}, state whether the following statement is true or false:
5, 6 ∈ A
If set B = {4, 6, 8, 10, 12, 14}. State, which of the following statements is correct and which is wrong:
5 ∈ B
If set B = {4, 6, 8, 10, 12, 14}. State, which of the following statements is correct and which is wrong:
9 ∈ B
If set B = {4, 6, 8, 10, 12, 14}. State, which of the following statements is correct and which is wrong:
4,6 and 10 are die members of the set B. Also, write the wrong statements correctly.
Which statement correctly describes a set?
Which collection does NOT form a well-defined set?
What does the symbol "∉" represent?
Let R be the relation in the set {1, 2, 3, 4} given by
R = {(1, 2), (2, 2), (1, 1), (4, 4), (1, 3), (3, 3), (3, 2)}.
