Choose or find odd letter group - BD, IK, PN, SU, WY

C. PN

Choose or find odd pair of words - (Stamp : Letter) , (Ticket : Train) , (Ink : Pen) , (Cae : Engine)

D. CAE : ENGINE

Choose or find odd word - Pistol, Sword, Gun, Rifle, Cannon

B. SWORD

Choose or find odd word - Vikramaditya , Chandragupta , Harshavardhana , Chanakya , Samudragupta

D. CHANAKYA

Choose or find odd number pair - (15 - 46) , (12 - 37) , (9 - 28) , (8 - 33)

D. 8 - 33