Four letter-clusters pairs have been given, out of which three are alike in some manner and one is different. Select the letter-cluster pair that is different.?

Option 2 : NEST : PAUO

The positions of the letters according to the English alphabet series:

[ alt="Common Diagram 28.01.2020 D1" src="https://storage.googleapis.com/tb-img/production/20/12/Common_Diagram_28.01.2020_D1.png" style=" width: 536px; height: 128px;">

Pattern followed here;

TAPE : VWRA

[ alt="F6 Savita Engineering 29-6-22 D18" src="//storage.googleapis.com/tb-img/production/22/07/F6_Savita_Engineering_29-6-22_D18.png" style="height: 102px; width: 140px;">

NEST : PAUO

[ alt="F6 Savita Engineering 29-6-22 D19" src="//storage.googleapis.com/tb-img/production/22/07/F6_Savita_Engineering_29-6-22_D19.png" style=" height: 105px; width: 139px;">

SILK : UENG

[ alt="F6 Savita Engineering 29-6-22 D20" src="//storage.googleapis.com/tb-img/production/22/07/F6_Savita_Engineering_29-6-22_D20.png" style="height: 105px; width: 141px;">

PAGE : RWIA

[ alt="F6 Savita Engineering 29-6-22 D21" src="//storage.googleapis.com/tb-img/production/22/07/F6_Savita_Engineering_29-6-22_D21.png" style=" height: 107px; width: 138px;">

Hence, the correct answer is "NEST : PAUO".