1. Which of the declaration is correct?
A. int length;
B. char int;
C. int long;
D. float double;
2. Which of the following operations are INCORRECT?
3. Which of the following correctly represents a long double constant?
A. 6.68
B. 6.68L
C. 6.68f
D. 6.68LF
4. Which of the structure is incorrect?
A. 1
B. 2
C. 3
D. 1, 2, 3
5. Which of the structure is correct?
A. 1
B. 2
C. 3
D. All of above