In the number 76534218 each digit is replaced next digit, i.e. '1' is replaced by '2', '2' is replaced by '3' and so on and then the digits, are arranged in ascending order from left to right, which digit will be fifth from the left end ?
1) 6
2) 5
3) 7
4) 4
5) None of these

Explanation

1, 6