Quiz for C (Arithmetic Operators)

Time left: 420 seconds

Q.1. Which header file is used to operate special math functions or keywords ?
#include<iostream.h>
#include<stdio.h>
#include<stdlib.h>
#include<math.h>
Q.2. Which keyword is used to calculate power a number ?
power(base,expo)
pow(base,expo)
power("base", "expo")
power("%d %d", base, expo)
Q.3. What does the operator i++ do ?
Increment the value of i by 2
Increment the value of i by 1
Q.4 If i=3 and a = ++i + i++ + --i, then what will be the value of a ?
16
9
8
12
Q.5. What does the modulus Operator(%) do ?
Divides two number and gives quotient as Output
Divides two number and gives dividend as Output
Calculates the perncentage
Divides two number and gives Remainder as Output
Q.6. Which function is used to find the Square-root of a number ?
squareroot()
square_root()
sqrt()
sqtr()
Q.7. cbrt() is used to find the cube-root of a number.
True
False
Q.8. If a=10 and b=20, what will the value of 'a' and 'b' after following operation,
a = a + b;
b = a - b;
a = a - b;
a = 30 and b = 10
a = 20 and b = 10
a = 10 and b = 20
a = 10 and b = 10
Q.9. If x = 7, y = 3, z = 9, then a = z * (x%y) / 4 + x , what will be the value of 'a' ?
9
10
7
11
Q.10. Which of the following correctly show thw hierarchy of arithmetic operations in C?
/ + * -
* - / +
+ - / *
/ * + -
Q.11. How many type of decrement operator are there in C ?
1
2
3
4
Q.12. a = b++ , in this expression the value of b is first incremented and then it is assigned to 'a'.
True
False
Q.13. What will be the output of the following Code, 

#include<stdio.h>

void main()
{
    int a,b,c;
    a = 10;
    b = 15;
    c = ++a - b + b++ + a++ - --b;
    printf("%d %d %d",a,b,c);
}
12 16 22
16 12 7
12 15 7
11 7 15
Q.14. What will be the output of the following Code, 

#include<stdio.h>
#include<math.h>
void main()
{
    int x,y,z;
    x = 10;
    y = 15;
    z = x * (y - x) %3;
    int a = pow(z, 4);
    printf("%d",a);
}
12
15
8
16
Q.15. What is the format specifier of double data-type in C ?
%Lf
%d
%dl
%lf

Instructions:-

  1. This Quiz is based on the basic concepts of C.
  2. Each correct answer will carry 2 points.
  3. The time limit for this Quiz is 420 seconds i.e. 7 minutes.
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