C Programming-Arithmetic Operators

Question 1

What is the output of this C code?

#include 
int main()
{
int i = -3;
int k = i % 2;
printf("%d\n", k);
}

A	Compile time error
B	-1
C	1
D	Implementation defined

Question 2

What is the output of this C code?

#include 
int main()
{
int i = 3;
int l = i / -2;
int k = i % -2;
printf("%d %d\n", l, k);
return 0;
}

A	Compile time error
B	-1 1
C	1 -1
D	Implementation defined

Question 3

What is the output of this C code?

#include 
int main()
{
int i = 5;
i = i / 3;
printf("%d\n", i);
return 0;
}

A	Implementation defined
B	1
C	3
D	Compile time error

Question 4

What is the output of this C code?

 #include 
int main()
{
int i = -5;
i = i / 3;
printf("%d\n", i);
return 0;
}

A	Implementation defined
B	-1
C	-3
D	Compile time error

Question 5

What is the value of x in this C code?

#include 
void main()
{
int x = 5 * 9 / 3 + 9;
}

A	3.75
B	Depends on compiler
C	24
D	3

Question 6

What is the output of this C code?

#include 
void main()
{
int x = 5.3 % 2;
printf("Value of x is %d", x);
}

A	Value of x is 2.3
B	Value of x is 1
C	Value of x is 0.3
D	Compile time error

Question 7

What is the output of this C code?

#include 
void main()
{
int y = 3;
int x = 5 % 2 * 3 / 2;
printf("Value of x is %d", x);
}

A	Value of x is 1
B	Value of x is 2
C	Value of x is 3
D	Compile time error

Question 8

What is the output of this C code?

#include 
void main()
{
int a = 3;
int b = ++a + a++ + --a;
printf("Value of b is %d", b);
}

A	Value of x is 12
B	Value of x is 13
C	Value of x is 10
D	Undefined behaviour

Question 9

The precedence of arithmetic operators is (from highest to lowest)

A	%, *, /, +, -
B	%, +, /, *, -
C	+, -, %, *, /
D	%, +, -, *, /

Question 10

Which of the following is not an arithmetic operation?

A	a *= 10;
B	a /= 10;
C	a != 10;
D	a %= 10;

Question 11

Which of the following data type will throw an error on modulus operation(%)?

A	char
B	short
C	int
D	float

Question 12

Which among the following are the fundamental arithmetic operators, ie, performing the desired operation can be done using that operator only?

A	+, -
B	+, -, %
C	+, -, *, /
D	+, -, *, /, %

Question 13

What is the output of this C code?

#include 
int main()
{
int a = 10;
double b = 5.6;
int c;
c = a + b;
printf("%d", c);
}

A	15
B	16
C	15.6
D	10

Question 14

What is the output of this C code?

#include 
int main()
{
int a = 10, b = 5, c = 5;
int d;
d = a == (b + c);
printf("%d", d);
}

A	Syntax error
B	1
C	10
D	5

Check Your Answers:
1. B
2. B
3. B
4. B
5. C
6. D
7. A
8. D
9. A
10. C
11. D
12. A
13. A
14. B

Balaji Mote

C Programming-Arithmetic Operators