Choose or find odd word - Record , Shorthand , Morse , Codes , Semaphore

A. RECORD

Choose or find odd number pair - (9 - 3) , (1/2 - 1/8) , (1/3 - 1/12) , (24 - 6)

A. 9 - 3

Choose or find odd word - Mandible , Rib , Sternum , Ulna , Pinna

E. PINNA

Choose or find odd pair of words - (Needle : Prick) , (Gun : Fire) , (Auger : Bore) , (Chisel : Carve)

A. NEEDLE : PRICK

Choose or find odd number pair - (18 - 45) , (16 - 40) , (14 - 28) , (8 - 20)

C. 14 - 28