Self Studies
Self Studies
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Sets, Relations...

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  • Question 1
    4 / -1

    A={(a,b) / b = 2a - 5} If (m,5) and (6,n) are the member of set A then m and n are respectively

  • Question 2
    4 / -1

    In a collage of 400 students every students read 5 newspapers and every news paper is read by 80 students. The number of news paper is

  • Question 3
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  • Question 4
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    If A={n3 + (n+1)3 + (n+z)3 ; n ϵN} and B = {9n, n ϵ N} then

  • Question 5
    4 / -1

    If n(A) = 6 and n (B) = 4 then minimum value of n(A - B) is

  • Question 6
    4 / -1

    If n(A) = 3, n(B) = 5 and n(A ∩ B) = 2 then n [(A × B) ∩ (B × A)] = ..........

  • Question 7
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    If A = {1,3,5,7,9,11,13,15,17}, B = {2,4,...18} and N is the universal set then A\'∪ (A ∪ (B ∩ B\')) is

  • Question 8
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    Taking U = [1,5], A = {x / x ϵ N, x2 - 6x + 5 = 0} A\' = ....

  • Question 9
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    Let R be a reflexive relation of a finite set A having n elements and let there be m ordered pairs in R. Then

  • Question 10
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    If A is the set of even natural numbers less then 8 and B is the set of prime numbers less than 7, then the number of relations from A to B is

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