chap;1 sets

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  • 8/12/2019 Chap;1 Sets

    1/4

    Prepared by: Faizan Ahmed math.pgseducation.com

    Chapter 1 SETS

    1) If x L M then

    A) x L or x M!) x L or x M") x L or x M#) x L or x M

    Ans$er: #

    %) Let A & 'a b c d( ! & 'b c d( then A ! &

    A) 'b c d(!) 'a b c(") 'a b c d(#) 'a c d(

    Ans$er: A

    ) If x !& * + ! then

    A) x ! and x *!) x ! and x *") x ! and x *#) x ! and x *

    Ans$er: !

    ,) Let A & -1 % , /..( ! & '% , 0 /.(

    2he A! is

    A) '1 % (!) '1 % , /..(") '% , 0 /..(#) '0 3 4(

    Ans$er: !

    ) L M & LM then L is e5ua6 to

    A) M!) L") #) M

    Ans$er: A

    0) 7hich of the fo66o$ing sets has on6y one subset.

    A) '8 9(!) '8(") '(#) ' (

    Ans$er: #

    3) A ! thenA) A ! & A!) A !& A") A + ! & A#) A + ! & !

    Ans$er: A

    ) If x L + M then

    A) x L and x M!) x L and x M") x L and x M

    #) x L and x MAns$er: !

    4) 2ota6 number of subsets that can be formed from the se

    'x y z( is

    A) 1!) %") #)

    Ans$er: #

    1) If x L M then

    A) x L and x M!) x L and x M") x L and x M#) x L and x M

    Ans$er: A

    11) Let A and ! be any none empty sets then

    A-A!) is

    A) ! A!) A") !#) A !

    Ans$er: !

    1%) Let A ! " be any sets. Let A ! & A " and

    A ! & A " then ! set is e5ua6 to

    A) A !!) A !") A#) "

    Ans$er: #

    1) If ; contains n e6ements then po$er set of ; P -s)

    contains e6ements. 7hich areery e6ement of A !#) ?>ery e6ement of ! A

    Ans$er: A

    13) 2he comp6ement of set A re6ati>e to uni>ersa6 set * is the

    set

    A) 'x@x* and x A(!) 'x@x* and xA(") 'x@x* and x A(#) 'x@x* and x A(

    Ans$er: #

    1) If A ! & A then

    A) A! & A!) A! & A") A! & !#) A! &

    Ans$er: #

    14) If ! + A & ! then

    A) A! & !) A! & A") A! #) A! & !

    Ans$er: A

    %) 2he union of the sets A and ! is defined as

    A) A ! & 'x@xA or x!(!) A ! & 'x@xA or x!(") A ! & 'x@xA or x!(#) A ! & 'x@xA or x!(

    Ans$er: A

    %1) If B C are any sets then B + C &

    A) B + -BC)!) B -B + C)") B D -B C)#) B + -B C)

    Ans$er: A

    %%) If A and ! are any t$o sets and A ! are 2heir

    comp6iments re6ati>e to the uni>ersa6 set * the -A!)&

    A) A!!) A!") A!#) A!

    Ans$er: "

    %) #ifference bet$een t$o sets AE! is defined as

    A) 'x@x A x !(!) 'x@x A x !(") 'x@x A x !(#) 'x@x A x !(

    Ans$er: !

    %,) For union Associati>e La$ is

    A) -A!) " & A-!")!) -A!) " & A-!")") -A!) " & A-!")#) -A!) " & A -! ")

    Ans$er: A

    %) 2he set of odd numbers bet$een 1 and 4 is

    A) '1 3(!) ' 3 4(") '1 3 4(#) ' 3(

    Ans$er: #

    %0) 2he set of rationa6 numbers bet$een and 4 is

    A) Finite!) Infinite") ' 0 3 4(#) '0 3 (

    Ans$er: !

    %3) If x is a set ha>ing 0 e6ements then the numbers in P-x) is:

    A) 0%!) 0") 0-%)#) %0

    Ans$er: #

    %) If ! A then Ais subset of

    A) A!) !") !#) A !

    Ans$er: "

    %4) 2he set A -A !) &

    A) A!) !") A !#) one of these

    Ans$er: A) 2he set A -A !) &

    A) !!) A") A !#) one of these

    Ans$er: !

    1) If A and ! are any t$o sets and A ! are their

    comp6ements re6ati>e to the uni>ersa6 set * then

  • 8/12/2019 Chap;1 Sets

    3/4

    Prepared by: Faizan Ahmed math.pgseducation.com

    -A !)&

    A) A!!) A!") A!#) A !

    Ans$er: A

    %) If A * then Are6ati>e to * is e5ua6 to

    A) A + !!) ! + A") * + A#) A + *

    Ans$er: "

    ) 2he shaded area in the figure represents the set

    A B

    C A) A ? "!) A ? "") A ? "#) A ? "

    Ans$er: A

    ,) 2he shaded area in the figure represents the set:

    A B

    A) A ?!) A ?") A + ?#) ? + A

    Ans$er: !

    ) 2he shade area in the figure represents the set:

    A

    A) A ?!) A ?") A + ?#) ? + A

    Ans$er: #

    0) 2he shaded area in the figure represents the set:

    A

    A) A ?

    !) A ?") A + ?#) ? + A

    Ans$er: "

    3) 7e66 defined co66ection of distinct ob=ects is ca66ed a

    GGGGGGGGGG

    A) a function!) a set") a rea6 number#)

    noneAns$er: !

    ) A diagram $hich represents a set is ca66ed GGGGGGG

    diagram.

    A) Henns!) Argand") P6ane#) one

    Ans$er: A

    4) If a set A is the subset of ! J A K ! then A GGGGGGG

    of !.

    A) Proper subset!) Improper subset") one #) one

    Ans$er: A

    ,) ?>ery set is the GGGGGGGG of itse6f.

    A) proper subset!) improper subset") super set#) none

    Ans$er: !

    ,1) 2he set of rea6 os. -points) be6onging to inter>a6-a b) is GGGGGGGGGG

    A) finite set!) empty set") sing6eton set#) infinite set

    Ans$er: #

    ,%) 2he po$er set of an empty set is GGGGGGGGG

    A) nu66 set!) sing6eton set") super set#) none

    Ans$er: !

    ,) @& GGGGGGGG

    A) A!) A @") #)

    Ans$er: "

  • 8/12/2019 Chap;1 Sets

    4/4

    Prepared by: Faizan Ahmed math.pgseducation.com

    ,,) 2$o set A J ! are ca66ed o>er6apping if A! &

    GGGGGGGG

    A) ABBA

    !) BA

    ") ABBA

    #) one

    Ans$er: #

    ,) 7hich one is a6$ays true.A) BA

    !) BBA

    ") AB

    #) none

    Ans$er: !

    ,0) If J 8 are t$o sets J n -) & 1 n -8) & %, n-*8)

    & , then n- 8) & GGGGGGGG

    A)

    !) ,

    ") 0

    #) %

    ?) 1

    Ans$er: #