C Programming
Let x be an array. Which of the following operations are illegal?I.   ++xII. x+1III. x++IV. x*2

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

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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 k can’t be initialized.
The variable must always be the letter i when using a for loop.
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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