Let S = { 0, 1, 5, 4, 7 }. Then the total number of subsets of S is
64
32
40
20
Given that A = { 1, 9, 11, 15, 17 }, B = { 11, 17, 19, 21 } and C = { 3, 5, 7 }. Then (A∩B)∪C =
{ 11, 17 }
{ 3, 5, 7, 11, 15 }
{ 3, 5, 7, 11, 17 }
{ 3, 5, 7, 11, 17, 19 }
The statement which uses the connective OR is called a
conjunction
disjunction
negation
implication
The negation of the statement "5 is a prime number" is
5 is a composite number
5 is a prime number
5 is not a prime number
both (2) and (3)
If U = { 1, 2, 3, 4, 5, 6, 7, 8 }, A = { 1, 2, 3, 4 }. Find A′ ?
{ 2, 4, 5, 7 }
{ 2, 4, 6, 8 }
{ 5, 6, 7, 8 }
{ 1, 3, 4, 6, 7 }
A combination of one or more simple statements with a connective is called a
sentence
compound statement
The number of outcomes when n dice are thrown?
12
6n
n6
Which of the following represent the empty set?
{ }
0
{ 0 }
None of these
If A = { a, b, c, d }, then A ∩ ∅ = ?
{ a, b, c, d }
∅
{ a, b, c, d, 0 }
The statement of the form " If ... then... " is called