Choose or find odd letter group - AJKL , IXYZ , EPQR , OFGH , VCBA

A. VCBA

Choose or find odd number pair - (83 - 75), (58 - 50), (49 - 42), (25 - 17)

C. 49 - 42

Choose or find odd word - Neight , Roar , Hiss , Grunt , Thump

E. THUMP

Choose or find odd word - Gloomy , Calm , Dull , Tense , Distress

E. DISTRESS

Choose or find odd number - 51 , 144 , 64 , 121 , 256

A. 51