Find the odd one among these options

Options
1) ADG
2) HKN
3) PSW
4) MPS

• ans:psw
  In psw difference is 4 .i.e.,s&w diff is t,u,v,w
  remaining 3 options diff is 3
• 8 years agoHelpfull: Yes(6) No(0)
• 3) PSW , because in each option there is gap of 2 letters of difference
  but in PSW ,in between S and W had difference of 3
  
• 8 years agoHelpfull: Yes(0) No(0)
• PSQ viz. P (QR) S (TUV) W
• 5 years agoHelpfull: Yes(0) No(0)
• answer 3: PSW
• 3 years agoHelpfull: Yes(0) No(0)