Switch case MCQ 10 : Shift Operators in Switch

void main(){ int choice = 1 ; switch(choice<<1) {
  case 2:        printf("nAllas");        break;
  case 4:        printf("nBabo");        break;
  case 8:        printf("nHurray");        break; }}

1. Babo
2. Error : << is not allowed
3. Hurray
4. Allas

1. Integer Requires 2 bytes of memory
2. Choice = 1 , Binary Representation ( 0000 0000 0000 0001 )
3. After shifting above binary representation towards left by 1 bit (0000 0000 0000 0010)
4. Equivalent decimal value of the above binary representation is 2
5. So case 2 will be executed