A combination of one or more simple statements with a connective is called a
sentence
conjunction
compound statement
disjunction
Let S = { 0, 1, 5, 4, 7 }. Then the total number of subsets of S is
64
32
40
20
If A = { 1, 3, 7 }, B = { 2, 4, 7 }, then A∪B =
{ 1, 2, 3, 4 }
{ 1, 3, 7, 4, 7 }
{ 1, 2, 3, 4, 7 }
{ 1, 2, 4 }
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 }
if n(A) = 10, n(B) = 6, n(A∩B) = 4, then n(A∪B) = ?
16
10
12
If A = { a, b, c, d }, then A ∩ ∅ = ?
{ a, b, c, d }
∅
{ a, b, c, d, 0 }
0
The number of outcomes when a dice and and a coin are thrown is
2
4
6
Number of outcomes when n coins are tossed is
n2
2n
n
If a dice is thrown, the probability of getting an even number is
1/3
1/2
1/6
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)
