Self Studies
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Sets, Relations...

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  • Question 1
    4 / -1

    Which of the following relation is one-one

  • Question 2
    4 / -1

  • Question 3
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  • Question 4
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    If A = {(x,y) / x2 + y2 = 25} and B {(x,y) / x2 + 9y2 = 144 } then A ∩ B contains

  • Question 5
    4 / -1

    If A and B are two sets then B - (B - A) =....

  • Question 6
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    For two events A and B which of the following is simple expression of (A ∩ B) ∪ (A ∩ B\') ∪ (A\' ∩ B) ?

  • Question 7
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  • Question 8
    4 / -1

    Which of the following is the empty set ?

  • Question 9
    4 / -1

    The set A = {x : x ϵ R, x2 = 16 and 2x = 6} equals

  • Question 10
    4 / -1

    If set of A has n elements, then the total number of subsets of A is

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