Let S = { 0, 1, 5, 4, 7 }. Then the total number of subsets of S is_____.
64
32
40
20
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 A = { a, b, c, d }, then A ∩ ∅ = ?
{ a, b, c, d }
∅
{ a, b, c, d, 0 }
0
If a dice is thrown, the probability of getting an even number is __________.
2
1/3
1/2
1/6
The number of outcomes when n dice are thrown?
12
6n
n6
A combination of one or more simple statements with a connective is called a _____________.
sentence
conjunction
compound statement
disjunction
Which of the following represent the empty set?
{ }
{ 0 }
None of these
Let A = { factors of 36 } and B = { factors of 48 }, which of the following is true?
n(A∪B) = n(A) + n(B) - n(A∩B)
n(A∪B) = n(A) + n(B) + n(A∩B)
n(A∪B) = n(A) + n(B)
n(A∪B) = n(A∩B) - n(A) - n(B)
Number of outcomes when n coins are tossed is _______.
n2
2n
n
The statement of the form " If ... then... " is called ______.
negation
implication
