Choose or find odd number pair - (56 - 8) , (121 - 17) , (147 - 21) , (168 - 24)

A. 127 - 17

Choose or find odd word - Hepatitis , Tetanus , Vcancer , Conjunctivitis , Measles

B. TETANUS

Choose or find odd word - Kiwi , Ostrich , Eagle , Penguin

C. EAGLE

Choose or find odd word - Producer , Director , Investor , Financier , Entrepreneur

B. DIRECTOR

Choose or find odd word - Cliff , Canyon , Gulch , Gorge , Ravine

A. CLIFF