The statement of the form " If .....then......." is called an __________.
Conjunction
Disjunction
Negation
Implication
If n(A)=10, n(B)= 6 , n(A∩B)= 4, then n (AUB) = ?
16
20
10
12
The statement which use the connective AND is called a__________.
None of these
A = B
A ≠ B
A = -B
A = 2B
Which of the following represents an empty set?
Set of vowels
Set of even prime number
Set of intersection of whole numbers and natural numbers
Set of natural numbers between 10 and 11
A combination of one or more simple statements with a connective is called a___________.
Sentence
Compound statement
(A U B)'=
A' U B'
A' ∩ B'
A' ∩ B
A U B'
A U Φ=
A
Φ
both (1) and (2)
none of these
The smallest set A such that A U {1,2} = {1,2,3,5,9} is
{3,5,9}
{2,3,5}
{1,2,5,9}
{1,2,3}
Which of the following statement is false?
Φ= { }.
Every set is subset of itself.
Φ = {0}.
.
