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20 questions
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  • Q1

    Consider A = {consonants in the word SCIENCE}. Find n(A)

    5

    4

    6

    3

    60s
  • Q2

    Consider A = {vowels in the word SCIENCE}. Find n(A).

    4

    3

    5

    2

    60s
  • Q3

    Which of the following would be an empty set?

    The set of even numbers less than 3.

    The set of even numbers that are prime numbers

     The set of odd numbers divisible by 2

    The set of counting numbers less than 1. 

    60s
  • Q4

    Which of the following is a well-defined set?

    The set of educational TV shows in GMA

     The set of books in your bag.

     The set of books in your bag.

     The set of sad adults.

    30s
  • Q5

    Let  U = {10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20} ,  A = {11, 13, 15, 17, 19,   B = {12, 14, 16, 18}, C = {10, 11, 12, 13, 14, 15}                                                                                                                                               

    Find   (A ⋃ B)

    {12,14,16,18}

    {11, 13, 15, 17, 19}

    {11, 12, 13, 14, 15}

     { 11,12,13,14,15,16,17,18, 19}     

    30s
  • Q6

     Let  U = {10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20},  A = {11, 13, 15, 17, 19} , B = {12, 14, 16, 18} , C = {10, 11, 12, 13, 14, 15}                                                                                                                                                         

    Find (A ⋂ B)

    {11, 13, 15, 17, 19}

    {11, 12, 13, 14, 15}

     { }     

    {12,14,16,18}

    30s
  • Q7

     Let  U = {10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20},  A = {11, 13, 15, 17, 19} , B = {12, 14, 16, 18} , C = {10, 11, 12, 13, 14, 15}                                                                                                                                                         

    Find (C ⋂ B)

    {11, 13, 15, 17, 19} 

    {11, 12, 13, 14, 15} 

    {12,14,16,18} 

     {12, 14 }     

    30s
  • Q8

     Let  U = {10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20},  A = {11, 13, 15, 17, 19} , B = {12, 14, 16, 18} , C = {10, 11, 12, 13, 14, 15}                                                                                                                                                         

    Find (B - C)

    {11, 13, 19}

    { 13, 14, 15}

    {12, 14, 16, 18}

     {16, 18 }     

    30s
  • Q9

     Let  U = {10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20},  A = {11, 13, 15, 17, 19} , B = {12, 14, 16, 18} , C = {10, 11, 12, 13, 14, 15}                                                                                                                                                         

    Find (C – A)

     {10, 12, 14}     

    {11, 12, 14, 15}

    {11, 13, 15}

    {12,14,16,18}

    30s
  • Q10

    Which of the following statements is TRUE?

    5 ∈ {x is  divisible by 3} 

    5 ∈ {10, 15, 20} 

    6 ∈ { x is a counting number between1 -10} 

    6 ∈ {x is a prime number} 

    30s
  • Q11

    Which of the following is an example of a finite set?

    Set of street’s name. 

    Set of chairs in the faculty room 

    Set of all whole numbers. 

    Set of policemen. 

    30s
  • Q12

    If U = {1, 3, 5, 7, 9, 11, 13}, then which of the following is a subset of U?

    {0} 

    {1, 5, 9, 13}

    {2, 4} 

     {5, 11, 15}

    30s
  • Q13

    If P = {a, b, c, d, e}, and R = {t, d, c ,b, e}, then the intersection of P and R is?   

    {a, c}

    {c, d, e}

    {a, c, e}

    {c, d, b, e}

    30s
  • Q14

    If P = {a, b, c, d, e}, and R = { t, d, c, b, e}, what is P – R? 

    {a, c}

    {a}  

    {t}

    { }

    30s
  • Q15

    If P = {a, b, c, d, e}, and R = {t, d, c, b, e}, what is R – P?

    {a, c}

    {t, d, c, b, e} 

    {t}

    {d, c}

    30s

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