91. What will be the output of the following C code?
    

    #include <stdio.h>
        void main()
        {
            int m = 12;
            float m = 12;
            printf("%d", m)
        }
    

1. 1. 12

   
   
   

   2. Compilation Error

   
   
   

   3. 12.000000

   
   
   

   4. Runtime Error

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   Since the variable m is defined both as integer and as float, it results in an error.

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92. Which of the following is not a pointer declaration?

1. 1. char *s;

   
   
   

   2. char b[15];

   
   
   

   3. char b;

   
   
   

   4. char b[] = {‘11’, ‘12’, ‘13’, ‘14’};

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   Array declarations are pointer declarations.

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93. Which keyword is used to prevent any changes in the variable within a C program?

1. 1. volatile

   
   
   

   2. const

   
   
   

   3. mutable

   
   
   

   4. immutable

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   const is a keyword constant in C program.

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94. Which of the following declaration is illegal?

1. 1. char[] s = “Best C programming classes by Interview Mania”;

   
   
   

   2. char s[10] = “Best C programming classes by Interview Mania”;

   
   
   

   3. char s[] = “Best C programming classes by Interview Mania”;

   
   
   

   4. char *s = “Best C programming classes by Interview Mania”;

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   char[] s is a declaration in Java, but not in C.

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95. Which of the following format identifier can never be used for the variable var?
    

    #include <stdio.h>
        int main()
        {
            char *variable = "Advanced Training in C by interviewmania.com";
        }
    

1. 1. %s

   
   
   

   2. %c

   
   
   

   3. %d

   
   
   

   4. %f

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   %c can be used to print the indexed position.
   %d can still be used to display its ASCII value.
   %s is recommended.
   %f cannot be used for the variable var.

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