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Home C Programming Functions See What Others Are Saying!
  • Question
  • What will be the output of the program?
    #include<stdio.h>
    int sumdig(int);
    int main()
    {
        int a, b;
        a = sumdig(123);
        b = sumdig(123);
        printf("%d, %d\n", a, b);
        return 0;
    }
    int sumdig(int n)
    {
        int s, d;
        if(n!=0)
        {
            d = n%10;
            n = n/10;
            s = d+sumdig(n);
        }
        else
            return 0;
        return s;
    }
    


  • Options
  • A. 4, 4
  • B. 3, 3
  • C. 6, 6
  • D. 12, 12

  • Correct Answer
  • 6, 6 


  • More questions

    • 1. Bitwise | can be used to set a bit in number.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 2. Can we have an array of bit fields?

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 3. By default structure variable will be of auto storage class

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 4. Bitwise can be used to reverse a sign of a number.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 5. Is it necessary that in a function which accepts variable argument list there should be at least be one fixed argument?

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 6. Bitwise can be used to generate a random number.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 7. A function that receives variable number of arguments should use va_arg() to extract the last argument from the variable argument list.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. Bitwise & can be used to check if more than one bit in a number is on.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. The preprocessor can trap simple errors like missing declarations, nested comments or mismatch of braces.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. It is necessary that a header files should have a .h extension?

    • Options
    • A. Yes
    • B. No
    • Discuss


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