Aptitude - Puzzle |   13025

Aptitude - Puzzle

 c ques:

1.a=5,b=3,c=a,b
   d=(a,b)
   printf(c,d)
   ans:c=5,d=3

2.e(int n)
   {
   if(n>0)
    { 
       (not clear)
     printf("%d",n);
     e(--n);
    }
   return
   }
    ans:0,1,2,0

3.which has no problem with pointers

        int *f1()
        {
         int n;
             return (n)
             }

          int *f2()
           {
          int *p;
          *p=3;
       return p;
          }

     int *f3()
        {
        int *p;
      p=malloc();
    return p;
    }

    ans:no error

4.header file ->contains declarations.

5.  sizeof operator is executed during compile time..

    6.*p+=1
   *p++ 
   are these two same?
  not same.

7  .func(int i)
   {
    static int count;
   count=count+i;
    }
   ans:1+2+3...(counts values does not go after funtion call

8. is('a'<'b') true

10 short int=16 bits

11.4 stmt. ans.int float i;

12.int num[3];
   num[3]=2;

   ans:first stmt deals with size
   second deals with element

13  .j=4
     for(int i=0;i<5;i++)
    {
       j++;
      ++j;
     }
   output of j.
   ans:14

9.char s1[20]="hello world";
   s1[5]="\0";
    printf("%d",strlen(s1));
    printf("%%.%...(not clear)",s1);
  }
    ans:bad format specifier

14.brace { used in c for what ans:convention

15.parameters in c passed by ans:value.

16.when an array is passed it is by ans:pointer.

17.scanf can read ans:any data type

18.which cant be passed to subroutine.ans:preprocessor directive.

19.to get string of words..ans:gets()

20.external variables can be accesed ans:in functions which use them.


analytical:

1.cat->satc
dear->seard

sing->sings

3.1999 july 21st friday
1947 july 21st ?
ans:two days before.

4.2,12,30,56, 
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