Selection Statement

Which statement is used to execute a block of code only if a condition is true?

• for

• while

• if

• do-while

What will be the output? int mark = 75; if (mark >= 50) cout << "Pass"; else cout << "Fail";

• Fail

• Pass

• 75

• Error

Which selection statement is suitable when selecting one option from many choices based on a variable value?

• if

• nested if

• switch

• while

What is the correct syntax for an if...else statement?

• if (condition) statement; else statement;

• if condition statement;

• if {condition} statement;

• if condition then statement;

What will be the output? int x = 10; if (x > 5) cout << "A"; if (x > 8) cout << "B";

• A

• B

• AB

• Nothing

Which of the following is TRUE about nested if statements?

• It is not allowed in C++

• It can only have two levels

• An if statement inside another if statement

• It is the same as switch

What is the purpose of the break statement in a switch-case?

• To stop the program

• To skip the case

• To exit the switch block

• To repeat the case

What will happen if break is not used inside a switch case?

• Compilation error

• Program stops immediately

• It executes the next case (fall-through)

• Nothing happens

Which data type is commonly used in switch-case?

• float

• double

• char or int

• string

What will be the output? char grade = 'A'; if (grade == 'A') cout << "Excellent"; else cout << "Try again";

• Try again

• Excellent

• A

• Error