C++ Loops

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    Question 1

    Which of the following is not a loop in C++?

    • for

    • repeat

    • while

    • do-while

    Question 2

    Which loop checks the condition at the end?

    • for

    • while

    • do-while

    • if-else

    Question 3

    How many times will a while loop execute if the condition is initially false?

    • 0

    • 1

    • 2

    • Infinite

    Question 4

    Which keyword is used to exit from a loop early?

    • skip

    • end

    • break

    • Exit

    Question 5

    Which loop is preferred when the number of iterations is known?

    • while

    • do-while

    • for

    • switch

    Question 6

    Which of the following affects the control flow inside a loop?

    • continue

    • goto

    • break

    • All of the Above.

    Question 7

    What happens if a semicolon is placed immediately after the for loop declaration?

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


    • Compilation error

    • Infinite loop

    • Only loop control executes, body skipped

    • Body executes normally

    Question 8

    What is the output of this code snippet?

    C++ 
    int i = 0;
while (i < 3)
    ++i;
cout << i;


    • 2

    • 3

    • 4

    • Error

    Question 9

    Which loop is guaranteed to execute at least once regardless of the condition?

    • for

    • while

    • do-while

    • All of the Above

    Question 10

    What happens if the loop control variable is not updated in a while loop?
    Note: Assume that the condition is initially true.

    • Error

    • Infinite loop

    • Executes once

    • None

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