C Programming
Pick the correct statements.I.   The body of a function should have only one return statement.II.  The body of a function may have many return statements.III. A function can return only one value to the calling environment.IV. If return statement is omitted, then the function does its job but returns no value to the calling environment.

II and III
I and II
III and IV
I and III
II and IV

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C Programming
What is the right choice, if the following loop is implemented?void main(){ int num = 0; do{ --num; printf("%d", num); }while( ++num >= 0 );}

A run time error will be generated.
The loop will run infinitely many times.
Prints the value of 0 one time only.
The program will not enter into the loop.
There will be a compilation error reported.

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C Programming
What's wrong in the following statement, provided k is a variable of type int?for(k = 2, k <=12, k++)

The variable must always be the letter i when using a for loop.
The variable k can’t be initialized.
The increment should always be ++k .
There should be a semicolon at the end of the statement.
The commas should be semicolons.

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