Identify the incorrect statements. int num = 23;Statement

Identify the incorrect statements.

 int num = 23;
Statement (i):   int *ptr = &(num + 2);
Statement (ii):  int *ptr2 = #
Statement (iii): &&num = 50;

1. Statement (ii) and (iii) are wrong
2. Statement (i) and (iii) are wrong
3. Statement (i) and (ii) are wrong
4. All the three are wrong
5. None of these

In statement (i) value is required as unary ‘&’ operand and in statement (iii) value is required as left operand.