Learn2Code-17-09-2025

Quiz

•

Engineering

•

Professional Development

•

Practice Problem

•

Hard

arun h

Used 2+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the output of the following program?
#include <stdio.h>
int main() {
int i;
for (i = 0; i < 5; i++);
printf("%d ", i);
return 0;
}

Prints 0 1 2 3 4

Prints 5 only

Infinite loop

Compilation error

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of executing the following code?
#include <stdio.h>
int main() {
for (int j = 0; j < 3; j++) {
printf("Hello World\n");
}
return 0;
}

Hello World Hello World Hello World

3 times Hello World

Compilation error

Hello World

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will be the result of the following code?
#include <stdio.h>
int main() {
int a = 10, b = 0;
printf("%d", a / b);
return 0;
}

0

10

Runtime error (division by zero)

Compilation error

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will happen when you run this program?
#include <stdio.h>
int main() {
int arr[5] = {1, 2, 3, 4, 5};
printf("%d", arr[5]);
return 0;
}

Output is 5

Output is 0

Undefined behavior / garbage value

Compilation error

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What’s wrong in the following code?
#include <stdio.h>
int main() {
int i = 1;
while (i <= 5) {
printf("%d ", i);
}
return 0;
}

Infinite loop

Compilation error

Prints 1 to 5

Prints 1 repeatedly and exits

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will be the output of this code?
#include <stdio.h>
int main() {
int a = 7;
if (a = 10) {
printf("Condition is true\n");
}
return 0;
}

Condition is true

Compilation error

Condition is false

No output

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will this code print?
#include <stdio.h>
int main() {
int a = 5;
printf("%d\n", a++ + ++a);
return 0;
}

11

12

Undefined behavior

Compilation error

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Learn2Code-17-09-2025

30 questions

What is the output of the following program?
#include <stdio.h>
int main() {
int i;
for (i = 0; i < 5; i++);
printf("%d ", i);
return 0;
}

What is the result of executing the following code?
#include <stdio.h>
int main() {
for (int j = 0; j < 3; j++) {
printf("Hello World\n");
}
return 0;
}

What will be the result of the following code?
#include <stdio.h>
int main() {
int a = 10, b = 0;
printf("%d", a / b);
return 0;
}

What will happen when you run this program?
#include <stdio.h>
int main() {
int arr[5] = {1, 2, 3, 4, 5};
printf("%d", arr[5]);
return 0;
}

What’s wrong in the following code?
#include <stdio.h>
int main() {
int i = 1;
while (i <= 5) {
printf("%d ", i);
}
return 0;
}

What will be the output of this code?
#include <stdio.h>
int main() {
int a = 7;
if (a = 10) {
printf("Condition is true\n");
}
return 0;
}

What will this code print?
#include <stdio.h>
int main() {
int a = 5;
printf("%d\n", a++ + ++a);
return 0;
}

What is wrong with this loop?
#include <stdio.h>
int main() {
int i;
for (i = 0; i = 5; i++) {
printf("%d ", i);
}
return 0;
}

What does this program print?
#include <stdio.h>
int main() {
int arr[5] = {1, 2};
for (int i = 0; i < 5; i++) {
printf("%d ", arr[i]);
}
return 0;
}

What is the output of this code? #include int main() { int x = 5, y = 3; int z = x && y; printf("%d", z); return 0; }

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Learn2Code-17-09-2025

30 questions

What is the output of the following program?#include <stdio.h>int main() { int i; for (i = 0; i < 5; i++); printf("%d ", i); return 0;}

What is the result of executing the following code?#include <stdio.h>int main() { for (int j = 0; j < 3; j++) { printf("Hello World\n"); } return 0;}

What will be the result of the following code?#include <stdio.h>int main() { int a = 10, b = 0; printf("%d", a / b); return 0;}

What will happen when you run this program?#include <stdio.h>int main() { int arr[5] = {1, 2, 3, 4, 5}; printf("%d", arr[5]); return 0;}

What’s wrong in the following code?#include <stdio.h>int main() { int i = 1; while (i <= 5) { printf("%d ", i); } return 0;}

What will be the output of this code?#include <stdio.h>int main() { int a = 7; if (a = 10) { printf("Condition is true\n"); } return 0;}

What will this code print?#include <stdio.h>int main() { int a = 5; printf("%d\n", a++ + ++a); return 0;}

What is wrong with this loop?#include <stdio.h>int main() { int i; for (i = 0; i = 5; i++) { printf("%d ", i); } return 0;}

What does this program print?#include <stdio.h>int main() { int arr[5] = {1, 2}; for (int i = 0; i < 5; i++) { printf("%d ", arr[i]); } return 0;}

What is the output of this code? #include int main() { int x = 5, y = 3; int z = x && y; printf("%d", z); return 0; }

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What is the output of the following program?
#include <stdio.h>
int main() {
int i;
for (i = 0; i < 5; i++);
printf("%d ", i);
return 0;
}

What is the result of executing the following code?
#include <stdio.h>
int main() {
for (int j = 0; j < 3; j++) {
printf("Hello World\n");
}
return 0;
}

What will be the result of the following code?
#include <stdio.h>
int main() {
int a = 10, b = 0;
printf("%d", a / b);
return 0;
}

What will happen when you run this program?
#include <stdio.h>
int main() {
int arr[5] = {1, 2, 3, 4, 5};
printf("%d", arr[5]);
return 0;
}

What’s wrong in the following code?
#include <stdio.h>
int main() {
int i = 1;
while (i <= 5) {
printf("%d ", i);
}
return 0;
}

What will be the output of this code?
#include <stdio.h>
int main() {
int a = 7;
if (a = 10) {
printf("Condition is true\n");
}
return 0;
}

What will this code print?
#include <stdio.h>
int main() {
int a = 5;
printf("%d\n", a++ + ++a);
return 0;
}

What is wrong with this loop?
#include <stdio.h>
int main() {
int i;
for (i = 0; i = 5; i++) {
printf("%d ", i);
}
return 0;
}

What does this program print?
#include <stdio.h>
int main() {
int arr[5] = {1, 2};
for (int i = 0; i < 5; i++) {
printf("%d ", arr[i]);
}
return 0;
}