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Arithmetic Aptitude :: Sets, Relations and Functions

  1.  A C B is read as ?

  2. A.

    A is a subset of B

    B.

    B is a subset of A

    C.

    A is less than B

    D.

    A is a proper subset of B

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

  4. A.

    Dom R {1,3,5}

    B.

    Dom R = {I,2,4}

    C.

    Dom R {1,1,4,5}

    D.

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

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  5.  In lst quadrant ?

  6. A.

    X < 0, Y > 0

    B.

    X > 0, Y < 0

    C.

    X > 0, Y > 0

    D.

    X < 0, Y < 0

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  7.  The union of sets A and B is expressed as ?

  8. A.

    A/B

    B.

    AUB

    C.

    AxB

    D.

    A-B

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  9.  (A’)’ = ?

  10. A.

    A

    B.

    U

    C.

    A’

    D.

    U-A

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  11.  The set of intelligent students in a class is.

  12. A.

    A null set

    B.

    A finite set

    C.

    A singleton set

    D.

    Not a well defined collection

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  13.  If A is any set, then

  14. A.

    A ∩ A' = U

    B.

    A ∪ A' = U

    C.

    A ∪ A' = ø

    D.

    None of these

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  15.  If the set has p elements, b has q elements, the no of elements in A x B is

  16. A.

    B.

    pq

    C.

    p + q

    D.

    p + q + 1

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  17.  A survey showed that 63 % of the Americans like cheese whereas 76 % like apples. If x % of Americans like both cheese and apples, then find the range of x?

  18. A.

    0 ≤ x ≤ 23 %

    B.

    4 ≤ x ≤ 35 %

    C.

    0 ≤ x ≤ 39 %

    D.

    6 ≤ x ≤ 33 %

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  19.  If A and B are any two sets, then A ∪ (A ∩ B) is equal to.

  20. A.

    A

    B.

    B

    C.

    Ac

    D.

    Bc

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