221.

What is
the probability that a card selected from a deck is a king?
(a)

1/4

(b)

1/52

(c)

4/52

(d)

2/52

(e)

3/52.




What is
the probability that a positive integer not
exceeding 130 selected at random is divisible by 4?
(a)

3/100

(b)

30/100

(c)

31/100

(d)

33/100

(e)

32/100.




What is
the probability that a positive integer selected at random from the set of
positive integers not exceeding 11
is divisible by 5 or 4?
(a)

4/10

(b)

5/10

(c)

2/10

(d)

3/10

(e)

1/10.




The
rpermutations from a set with “n” elements when repetitions of elements are
allowed
(a)

n × r

(b)

n + r

(c)

n – r

(d)

n / r

(e)

n^{r}.




Which
of the following statements is false?
(a)

A Vocabulary
V is a finite, non empty set of elements

(b)

A word over V
is a string of finite length of elements of V

(c)

The set of
all words over V is denonted by V^{*}

(d)

The empty
string is denoted by _{}

(e)

A language
over V is not a sub set of V^{*}.




The
statement p(k) is true for a fixed
+ve integer ‘k’, is called
(a)

Inductive
step

(b)

Inductive
hypothesis

(c)

Basic step

(d)

Strong
induction

(e)

Rule of
inference.




Rule of
Inference of the form _{}is known as
(a)

Modus Ponens

(b)

Modus Tollens

(c)

Hypothetical
Syllogism

(d)

Disjunctive
Syllogism

(e)

Resolution.




For a
set A, the set _{} is called
(a)

Conjunction
of A

(b)

Disjunction
of A

(c)

Complement of
A

(d)

Composition
of A

(e)

Closure of A.




The
symmetric difference of A and B denoted by _{}contains
(a)

Those
elements in both A and B

(b)

Those
elements in either in A and in B and also both in A, B

(c)

Those
elements in either in A and in B but not in both of A, B

(d)

Those
elements in Set A, Universal Set

(e)

Those
elements in Set B, Universal Set.




A
function that assigns each element to a particular element is called
(a)

Inverse
function

(b)

Identity
function

(c)

Constant
function

(d)

Oneone
function

(e)

Onto
function.



No comments :
Post a Comment