Choose or find odd number - 8314, 2709, 1315, 2518, 3249

A. 8314

Choose or find odd pair of words - (Cow : Fodder) , (Crow : Carrion) , (Poultry : Farm) , (Vulture : Prey)

C. POULTRY : FARM

Choose or find odd word - Sheep , Gazel , Idex , Shrew , Tapir

B. GAZEL

Choose or find odd letter group - BCDE , PQRS , WXYZ , STUW , GHIJ

D. STUW

Choose or find odd letter group - XUW , DAC , PMN , HEG , TQS

C. PMN