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

D. PESO

Choose or find odd word - Metre , Furlong , Yard , Mile , Acre

E. ACRE

Choose or find odd number pair - (81 - 63) , (24 - 48) , (21 - 15) , (13 - 39)

A. 81 - 63

Choose or find odd word - Viscometer , Anemometer , Spectroscope , Pyknometer

B. ANEMOMETER

Choose or find odd number pair - (13 - 21) , (19 - 27) , (15 - 23) , (16 - 24)

D. 16 - 24