Choose or find odd word - Pageant , View , Display , Spectacle

B. VIEW

Choose or find odd word - Cygnus , Orion , Scorpio , Cassiopeia , Vega

A. VEGA

Choose or find odd letter group - xXYA , iIMP , hHIK , bBCE

B. IIMP

Choose or find odd letter group - AE , AI , IO , EI , OU

B. AI

Choose or find odd pair of words - (Principal : School) , (Soldier : Barrack) , (Artist : Troupe) , (Singer : Chorus)

A. PRINCIPAL : SCHOOL