What is the central colour of a rainbow? A. Green B. Red C. Blue D. Yellow None of these: A. Green Share : December 11, 2017 Hassan Ali General Knowledge Total 0 Votes: 0 0 Tell us how can we improve this Mcqs? Captcha: + = Verify Human or Spambot ? Related Mcqs Check Below -Study of earthquakes is called?How was Bangladesh known when it was part of Pakistan?World War I was end in?