WorksheetsC++ Programming Quiz
Total questions: 10
Worksheet time: 20mins
What will be the output of the following code?
int i = 0;
while (i < 3)
{
cout << "Number: " << i << endl;
i++;
}
Number: 1
Number: 2
Number: 3
Number: 0
Number: 1
Number: 2
Number: 0
Number: 1
Number: 2
Number: 3
None of the above
What will be the output of the following code using `switch case`?
char ch = 'b';
switch(ch)
{
case 'a': cout << "Apple";
case 'b': cout << "Banana";
case 'c': cout << "Cherry";
default: cout << "None";break;
}
Apple
Banana
Cherry
None
Banana
Cherry
None
Cherry
None
None
What is the output of this program with a `while` loop?
int num = 6;
while (num >= 1)
{
cout << num << " ";
--num ; }
6 5 4 3 2 1
1 2 3 4 5 6
6 5 4 3 2
Infinite loop
What will be the output of this C++ code using a `do while` loop?
int num = 1;
do
{
cout << num << " ";
num++;
} while (num <= 5);
1 2 3 4 5
1 2 3 4
0 1 2 3 4
None of the above
What will the following code output?
int i = 1, sum = 0;
for (; i <= 5; i++)
{
sum += i;
} cout << sum;
15
10
5
None of the above
What will be the output of the following code with a `continue` statement?
for (int i = 1; i <= 5; i++)
{
if (i == 3)
continue;
cout << i << " ";
}
`1 2 3 4 5`
`1 2 4 5`
`1 2 4`
None of the above
What will be the output of this program with nested loops?
for (int i = 1; i <= 3; i++)
{
for (int j = 1; j <= 3; j++)
{
cout << i << j << " ";
}
cout << endl;
}
11 12 13
21 22 23
31 32 33
11 21 31
12 22 32
13 23 33
11 22 33
11 22 33
11 22 33
1 2 3
1 2 3
1 2 3
Which of the following is a correct syntax for a nested for loop in C++?
for (initialization; condition)
{
}
for (initialization; condition; update)
{
for (initialization; condition; update)
{}
}
for () { while () {} }
while () { do {} while(); }
Which of these control statements is used to exit from a loop?
continue
return
break
goto
In a 2D array, how are elements stored?
Rows and columns
Sequentially in memory
Both
None
