chap;1 sets
TRANSCRIPT
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8/12/2019 Chap;1 Sets
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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
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8/12/2019 Chap;1 Sets
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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: "
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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: #