Choose or find odd pair of words - (Shopkeeper : Customer) , (Doctor : Patient) , (Lawyer : Client) , (Clerk : File)

D. CLERK : FILE

Choose or find odd pair of words - (Painter : Gallery), (Actor : Stage), (Mason : Wall), (Farmer : Field), (Worker : Factory)

C. MASON : WALL

Choose or find odd number - 7487 , 5963 , 8218 , 6596 , 9259

B. 5963

Choose or find odd word - Apple , Mango , Potato , Orange

C. POTATO

Choose or find odd letter group - BDI , HKA , LMO , XYU , PQS

A. PQS