Question

*Here is a brain teaser*

_A house wife forgot her bank 'ATM PIN' which is a four digit number, but luckily she remembered some hints on how to recall this 'PIN'_
_Here are some of the clues_
_1) The 1st digit is half of the 2nd_
_2) The sum of the 2nd and 3rd is 10_
_3) The 4th is equal to the 2nd plus 1_
_4) The sum of all the digits is 23_

*What is the ATM PIN ?*

Answer 1

4647 may b is the accc no. of wife

Answer 2

The right answer is 4829