Quiz 1 c++

What does the following code do?

• Reads two numbers from the console
  

• Adds two numbers and prints the result
  

• Multiplies two numbers and prints the result
  

• None of the above

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Answer explanation

Adds two numbers and prints the result The code outputs the result of the addition operation 21 + 40, which is 61.

Identify Correct Syntax

What is the correct syntax for printing the number 5?

• print(5);
  

• display(5);
  

• console.log(5);
  

• cout << 5;

  
  

Answer explanation

The correct syntax for printing in C++ is "cout << value;".

Print difference of 10 and 3

How do you print the result of difference between 10 and 3?

• cout << 10 - 3;
  

• cout << diff(10 - 3);
  

• diff(10 - 3)
  

• cout << 10 - 3

  
  

Correct Syntax for Header

Identify the correct syntax from the options below.

• #include <iostream>;
  

• ?include <iostream>;
  

• #include <iostream>
  

• #include <iosteam>;

  
  

Answer explanation

The correct syntax is #include <iostream>, we do not use ;

Print String num

How would you print the string stored in variable named num?

• cout << num;
  

• cout << "num";
  

• cout << value(num);
  

• cout << get(num);

  
  

Answer explanation

To print the string variable named num, you directly use cout << "variable_name";

Print 6 divided by 2

How can you print the result of 66 divided by 2?

• cout << 6 / 2;
  

• div(6, 2);
  

• cout << div(6, 2) ;
  

• None of the above

  
  

Identify Incorrect Syntax

Identify the incorrect syntax from the given options.

• cout << "Hello, World";
  

• cout << 5 + 3 / 2;
  

• cout << "Hello, World';
  

• cout << "5 + 3";

  
  

Answer explanation

Text to be printed using "cout" should be enclosed in double quotes.