prets by khinmgsawwin

View this thread on steempeak.com
· @khinmgsawwin ·
$0.15
prets
Sets
1. The set A = { x\ x2 – 7x + 12 =0 } is                          
      A.{ 3 , 4   }  B. { -3 , 4   }   C.{ 3 , -4   }   D.{ -3 , -4   }   E. None of them        
2.The element(s) of A ={ (x,y)\ x+y=8 where  x and y are positive integers and x≥ y} is 
    1. (1,3)     2.(4,4)   3. (5,3) 
      A.1 only     B. 2 only     C.3 only       D.1 and 2 only     E.2 and 3 only             
3.Given that S= {0,1,2,3,4} is the universal set and A={ x\ x3 – 9x  =0 }.Then A=……..
      A.{ -3 , 0, 3   }  B. { -3 , 0  }   C.{ 0 , 3   }   D.{ -3 , -3  }   E.{0,9}                    
4.The interval { x\ -2≤ x < 3  }is denoted by
      A.( -2 , 3   )  B. [ -2 , 3 ]   C.[ -2 , 3   )   D.( -2 , 3  ]  E. None of these                 
5. The graph on the number line is denoted by 
                                                                                  2        3
      A.(-2,3)    B.[-2,3)   C. (-2,3]  D.[-2,3]   E. Non of these                                     
6.If A={x\x≥4,xϵR} and B={x\x<8 ,x∈R} then A∩B is
      A. {x\8≥x≥4}  B. {x\8≥x>4}   C. {x\8≤x≤4} 
      D. {x\8≤x<4}  E.Non of these                                                                           
7.If P=[2,7) and Q=(3,7], then P∩Q =………..
      A.(3,7]    B.(2,7]    C.(3,7)    D.[2,7]    E.(4,7)                                                     
8.Let S=R if A={x\x<a},B={x\x>a} then (A∪B)´ is 
      A.∅    B.{a}    C. {0}    D.R\{a}    E.R                                                                 
9. If P={x\x3+x2-6x=0 and x≥0} then P=…………                                                 
    A.{2,0,-3}    B.{2}    C.{2,0}     D.{-2}    E.{2,-3}           
10.The graph of the solution set of the inequation  5-x≥1 is
  A.                B.                 C.                   D.                      E.
             4                  4                 -4                     -4                    -4                            
11.If A={a,b,c} , B={b,c,d}   and C= {a,b,e} then A∩(B∪C)=……
      A. {a,d,e}    B.{a,d}    C.{a,c,d}     D.{a,b,d}    E.{a,b,c}                                  
12. If x∈  (P∩Q), which of the following is (are) true?
          1.x∈P        2. x∈      3. x∈(P∪ Q)
      A.1 only     B. 2only     C. 1and3 only     D. 2and3 only     E. 1,2 and 3             
13. A={x\x is an integer,1<x<12} and 
      B={x\x is a positive integer and less than 15 and x is multiple of3}then A∩B is 
    A.{3,6,9,12}  B{2,3,4,5,6,7,8,9,10,11}  C.{6,9,12}  D.{3,6,9,12,15}  E.{3,6,9} 
14.If A≠B, which of the following is true?
    A. A∩B=B∩A    B.A∪B=B∪A  C.A∪A=A    D.B∩B=B
    E.A\B=B\A                                                                                                         
15.If S={1,2,3,4,5,6,7} is the universal set ,P={1,2,3,4} and Q´={1,2,7}, then P∩Q=…..
    A. {1,2,3}    B.{3,4}    C.{3}    D.{4} E.∅                                                             
16.If P∪Q={x,y,z,u,v},P∩Q={z,u} ,P\Q={x,v} then Q\P=…….
    A.{y,z,u}    B. {y}    C.{x,u,v}    D. ∅    E. None of these                                    
17.Given E={2,4} ,F={4,6,8,x} The value of x such that E\F=∅
    A.0     B.2    C.4    D.6    E.8
18.Let n(P) denotes the number of elements in set P. Given that n(P)=7 and n(Q)=3
    the largest possible value of n(P∩Q) is
    A.10    B.9    C.7    D.4    E.3


19. Let n(P) denotes the number of elements in set P. Given that n(P)=2 and n(Q)=5
    the smallest possible value of n(P∩Q) is
    A.5    B.2    C.3    D.7    E.8
20.Which of the following is (are) true?
    1. {x\x2-5x+6=0}⊂{x\2≤x≤4}
    2.{x/x is an even number}∩{x\x is an odd number}
    3.A∪A´=S
    A.1 only   B. 2 only    C.3 only     D . 1,2 and 3    E. None of these
21.How many subsets of A\B if A={2,3,5,8} and B={x\x3-8x+15=0}
    A.4    B.8    C.16    D. 32    E.2
22. If A={a,b,c} and B={a,b,c,d,e} , then the number of subsets of A∩B is
    A.4    B.8    C.16    D. 32    E.2
23.If A⊂B ,which of the following is false? 
    A.A∪B=B    =7 and n(A∩B)=4, then number of the elements of A which are not the 
     element of B is
    A. 3    B.6     C. 8     D. 11     E. 14
26. If n(A∪B)=28, and n (A∩B) =9 , n(A\B)=7. then n(B\A)=……….
    A. 12     B. 16    C. 21     D. 19    E. 5
27. If A={1,3,
👍  , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , and 257 others
properties (23)
post_id64,293,054
authorkhinmgsawwin
permlinkprets
categoryminywa
json_metadata{"tags":["minywa"],"format":"markdown","app":"steemit\/0.1"}
created2018-10-15 13:50:15
last_update2018-10-15 13:50:15
depth0
children0
net_rshares152,445,690,268
last_payout2018-10-22 13:50:15
cashout_time1969-12-31 23:59:59
total_payout_value0.147 SBD
curator_payout_value0.004 SBD
pending_payout_value0.000 SBD
promoted0.000 SBD
body_length4,236
author_reputation65,229,559,309
root_titleprets
beneficiaries[]
max_accepted_payout1,000,000.000 SBD
percent_steem_dollars10,000
author_curate_reward""
vote details (321)