46. What will be the output of the following C code (when 10 and 20 are entered)?
    

    #include <stdio.h>
        void main()
        {
            int n1, n2;
            printf("Enter Numbers: ");
            scanf("%d", &n2);
            scanf("%d", &n1);
            printf("%d\t%d\n", n2, n1);
        }
    

1. 1. 10 Garbage value

   
   
   

   2. Garbage value 20

   
   
   

   3. Compilation Error

   
   
   

   4. Undefined behaviour

   
   
   

   5. 10 20

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: E

   10 20

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47. Which of the following is an invalid method for input?
    

1. 1. scanf(“%d %d %d”, &p, &q, &r);

   
   
   

   2. scanf(“Three values are %d %d %d”,&p, &q, &r);

   
   
   

   3. scanf(“%d%d%d”,&p, &q, &r);

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: E

   None of these

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48. Which of the following doesn’t require an & for the input in scanf()?
    

1. 1. float name[15];

   
   
   

   2. int name[15];

   
   
   

   3. char name[15];

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   char name[15];

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49. If the conversion characters of int d, i, o, u and x are preceded by h, it indicates?
    

1. 1. A pointer to long

   
   
   

   2. A pointer to char

   
   
   

   3. A pointer to int

   
   
   

   4. A pointer to short

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   A pointer to short

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50. Which of the following is NOT a delimiter for an input in scanf?
    

1. 1. Space

   
   
   

   2. Tab

   
   
   

   3. Enter

   
   
   

   4. All of above

   
   
   

   5. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: E

   None of these

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