Choose or find odd word - Admiral , Colonel , Captain , Commodore , Lieutenant

B. COLONEL

Choose analogous pair - Wife : Marriage

C. SERVICE : QUALIFICATION

Choose analogous pair - Laboratory : Germs

D. OBSERVATORY : PLANETS

In following questions, one term in number series is incorrect. - Find out the incorrect number 1, 5, 5, 9, 7, 11, 11, 15, 12, 17

B. 12

Choose similar word - Sodium : Potassium : Zinc

B. CALCIUM