Choose or find odd number pair - (16 - 64) , (9 - 36) , (36 - 216) , (49 - 343)

B. 9 - 36

Choose or find odd letter group - AOT , CPA , REB , TIW , QUD

B. CPA

Choose or find odd word - Trigger , Muzzle , Pallete , Barrel , Bullet

C. PALLETE

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

A. VEGA

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

B. VIEW