Which of the following is the scope operator?

(a)

>

(b)

&

(c)

%

(d)

::

How many ways the programmers can make use of functions in C++?

(a)

4

(b)

5

(c)

3

(d)

2

What is the output of the isalnum('$')?

(a)

1

(b)

$

(c)

0

(d)

false

The cos() function returns the, value in the range of _______.

(a)

[0 1]

(b)

[1 2]

(c)

[-1 1]

(d)

[-10 10]

How many purposes the void datatype used?

(a)

2

(b)

3

(c)

4

(d)

only one