Complement of a set
Union of a set
Intersection of a set
Equivalent set
Equal sets
100

In a universal set U={1,2,3,4,5,6,7,8,9} and 

A={2,4,6,8}what is A′ (the complement of A)?

{1,3,5,7,9}

100


If A={1,2,3} and B={3,4,5},

 what is A∪BA ?

{1,2,3,4,5}

100

Intersection of Sets

If X={a,b,c,d} and  Y={c,d,e,f} what is X∩YX ?

{c,d,}

100

Equivalent Sets

Which of the following pairs are equivalent sets?
A. {1,2,3} and {a,b,c,d}
B. {x,y,z} and {5,6,7}
C. {1,2} and {2,3,4}
D. {m,n,o} and {p,q}

  B

100

Which of the following pairs are equal sets?
A. {1,2,3} and {3,2,1}
B. {a,b,c} and {a,b,d}
C. {z, x,y}and {x,y,z}
D. {5,6}} and {6,5}

A , C and D

200

In a class of 40 students, 28 like Science. If U is the set of all students, and A is the set of students who like Science, how many students are in A′ (those who do not like Science)?

12

200

In a survey, 15 students like Basketball, 12 like Volleyball, and 5 like both. How many students like Basketball or Volleyball?

22

200

Intersection (Word Problem)

Out of 30 students, 18 like Math, 15 like English, and 10 like both subjects. How many students like both Math and English?

10

200

Which statement is true?
A. All equal sets are equivalent, but not all equivalent sets are equal.
B. All equivalent sets are equal, but not all equal sets are equivalent.
C. Equivalent and equal mean the same thing.
D. Equal sets must have different numbers of elements.

A

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