Choose or find odd letter group - CegI , FhjL , PrtV , KnpR , UwyA

D. KNPR

Choose or find odd pair of words - (Twigs : Nest) , (Wood : Furniture) , (Pitcher : Pottery) , (Gold : Ornaments)

C. PITCHER : POTTERY

Choose or find odd pair of words - (Ammeter : Current) , (Hygrometer : Pressure) , (Odometer : Speed) , (Seismograph : Earthquakes)

B. HYGROMETER : PRESSURE

Choose or find odd word - Geometry, Algebra, Trigonometry, Mathematics, Arithmetic

D. MATHEMATICS

Choose or find odd word - Phi , Gamma , Delta , Peso , Beta

D. PESO