C++ Beginner Quiz

1. How do you declare an integer variable in C++?

a) int x;

b) x = int;

c) integer x;

d) var x;

2. What is the output of `cout << 10 / 3;`?

a) 3.33

b) 3

c) 4

d) Error

3. True or False: C++ is case-sensitive.

a) True

b) False

4. What is the correct syntax for a for loop in C++?

a) for (int i = 0; i < 5; i++)

b) for i in range(5):

c) loop(i, 0, 5)

d) for (i = 0 to 5)

5. What does `cin >> x;` do?

a) Prints x

b) Reads input into x

c) Declares x

d) Increments x

6. What is used to include the I/O library?

a) #include

b) #include

c) import iostream

d) #include

7. How do you write a single-line comment in C++?

a) # Comment

b) // Comment

c)

d) /* Comment */

8. True or False: Variables must be declared with a type in C++.

a) True

b) False

9. What is the output of `cout << (5 > 3);`?

a) true

b) 1

c) 5

d) Error

10. What is the scope of a variable declared inside a block?

a) Global

b) Local to the block

c) File-wide

d) Permanent