Which statement about an if statement is true?

It is important to put a semicolon after the condition in an if statement

The condition in an if statement using relational operators will evaluate to a Boolean result

The condition in an if statement should make exact comparisons to floating-point numbers

The condition in an if statement should always evaluate to true

The condition in an if statement should never include integer variables

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Question 2 2.5 pts

Assuming that the user provides 100 as input, what is the output of the following code snippet?

int a =10, b; cout << "Please enter b: "; cin >> b; if (b > 100) a = b; a = a + b; cout << "a: " << a << endl;

a: 10

a: 1

a: 110

a: 200

There is no output

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Question 3 2.5 pts

Consider the following code snippet:

int number = 0; cout << "Enter number: "; cin >> number; if (number > 30) { .......... } else if (number > 20) { .......... } else if (number > 10) { .......... } else { .......... }

Assuming that the user input is 40, which of the following block of statements is executed?

if (number > 30) { .......... }

else if (number > 20) { .......... }

else if (number > 10) { .......... }

else { .......... }

All of them

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Question 4 2.5 pts

Which of the following options checks that country is neither China nor Denmark?

if (country != "China" || country != "Denmark")

if (country != "China" && country != "Denmark")

if (!(country == "China" && country == "Denmark"))

if (country != "China" || country == "Denmark")

if (country != China || Denmark)