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Which of the following is true about while loops?

• It executes only if the condition is true

• It executes at least once

• It is used when the number of iterations is known

• It cannot have a break statement

Which loop structure is preferred when a condition must be checked before execution?

• While loop

• Do-while loop

• For loop

• Recursive function

What is the correct way to use a break statement in a loop?

• if (condition) break;

• break = true;

• loop.break();

• stop loop;

What does the continue statement do in a loop?

• Skips the current iteration and proceeds to the next one

• Stops the loop execution

• Jumps to the end of the program

• Executes the loop indefinitely

How many times will this loop execute?

for (int i = 0; i < 5; i++) {cout << i << " ";}

• 5 times

• 4 times

• 6 times

• Infinite times

Which keyword is used to exit a loop immediately?

• Break

• Continue

• Return

• •

Which of the following creates an infinite loop?

• while (true) { cout << “Hello”; }

• for (int i = 0; i < 10; i++) { cout << i; }

• do { cout << “Hello”; } while (false);

• while (i > 10) { cout << “Hello”; i++; }

What happens when a loop condition is never false?

• Infinite loop

• The loop executes once

• The program crashes

• Compilation error

What is the purpose of nested loops?

• To iterate over multi-dimensional data

• To stop execution at a certain point

• To execute only one iteration

• To prevent infinite loops

Which loop is best when the number of iterations is known in advance?

• For loop

• While loop

• Do-while loop

• Infinite loop