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Arithmetic Aptitude :: Sets, Relations and Functions

  1.  The intersection of sets A and B is expressed as ?

  2. A.

    AxB

    B.

    AnB

    C.

    A-B

    D.

    A/B

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  3.  If R = {(1,1),(2,3),(4,5)}, then domain of the function is ?

  4. A.

    Range R = {2,3,4,5}

    B.

    Range R {1,1,4,5}

    C.

    Range R = {I,3,5}

    D.

    Range R {1,2,5}

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  5.  How many rational and irrational numbers are possible between 0 and 1 ?

  6. A.

    0

    B.

    Finite

    C.

    Infinite

    D.

    1

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  7.  In 4th quadrant ?

  8. A.

    X < 0, Y > 0

    B.

    X > 0, Y < 0

    C.

    X > 0, Y > 0

    D.

    X < 0, Y < 0

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  9.  In 2nd quadrant ?

  10. A.

    X < 0, Y > 0

    B.

    X > 0, Y > 0

    C.

    X > 0, Y < 0

    D.

    X < 0,Y < 0

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  11.  A—B is read as ?

  12. A.

    Difference of B and A

    B.

    Difference of A and B of B and A

    C.

    Both a and b

    D.

    None of the above

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  13.  If A =[5,6,7] and B=[7,8,9]then A U B is equal to:

  14. A.

    [5,6,7]

    B.

    [7,8,9]

    C.

    [5,6,7,8,9]

    D.

    None of these

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  15.  In 3rd quadrant ?

  16. A.

    X < 0, Y > 0

    B.

    X > 0, Y < 0

    C.

    X < 0, Y > 0

    D.

    X < 0, Y > 0

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  17.  If A is not equal to B, then the Cartesian product ?

  18. A.

    A x B not equal B x A

    B.

    A x B = B >< A

    C.

    is not possible

    D.

    None of the above

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  19.  If A = {0,2) and B = {1,3), then Cartesian product ?

  20. A.

    AxB not equal BxA

    B.

    AxB = BxA

    C.

    is not possible

    D.

    None of the above

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