उस अल्फ़ान्यूमेरिक प्रतीक समूह की पहचान करें जो अन्य तीन समूहों के समान पैटर्न का अनुसरण नहीं करता है:

Three out of the following four words are alike in a particular pattern and hence form a group. Find the one which does not belong to that group.

Three of the following number pairs follow a common rule. Identify the one that is different.