20 questions
If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∪ B?
{3, 5, 7}
{2, 3, 5, 7}
{2, 3, 5, 7, 9}
{1, 2, 3, 5, 7, 9}
Let A={1, 3, 4} and B={x|x is an even whole number less than 9}. Find A U B
{1, 3, 4}
{1, 2, 3, 4, 6,8}
{1, 2, 3, 4, 5, 6, 7, 8}
{1, 2, 3, 4, 5, 6, 7}
Which of the following represents the shaded region?
A union B
A intersect B
A ⊂ B
B ⊂ A
If
U (the universal set) = {1, 3, 5, 7, 9, 11, 13, 15, 17} and W = {5, 7, 9, 11}, then = . . ..
{1, 3, 13, 15, 17}
{1, 3}
{2, 4, 6, 8, 10, 12, 14, 16}
{1, 3, 5, 7, 9, 11, 13, 15, 17}
Let A = {2, 3, 4, 5, 6, 7} ,B = {2, 4, 7, 8) ,C = {2, 4}. Fill in the blanks by ⊂ or ⊄ to make the resulting statements true.
C __ B
⊂
⊄
Let A = {2, 3, 4, 5, 6, 7} B = {2, 4, 7, 8) C = {2, 4}. Fill in the blanks by ⊂ or ⊄ to make the resulting statements true.
C __ A
⊂
⊄
Which of the following represents the shaded region?
From the Venn-diagram, what is A - B ?
{2, 4, 8, 10, 14, 18, 20 }
{3, 9, 15}
{1, 5, 7, 11, 13, 17, 19}
{6, 12, 18}
If set W = {0, 1, 2, 3, ...}, then which of the following is wrong ?
The given set P = {2, 4, 6 }. How many subsets can be formed from set P ?
8
9
7
10
Which of the following statement is wrong ?
(empty set) is subset of every given sets
Every given set is improper subset of itself.
The number of possible subsets of a set having 'n' elements is .
Intersection of two disjoint sets is null set .
The concept of Venn diagram was first introduced by ....
Euler
John Venn
Euclid
Archimedes