Multiple choice general knowledge math & puzzles

Which of these colors is odd one? Blue,Red,Green,Orange,Violet,Yellow,Pink,Indigo

  1. Pink

  2. Green

  3. Orange

  4. Indigo

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The colors listed are Blue, Red, Green, Orange, Violet, Yellow, Pink, Indigo. All except Pink are standard rainbow colors (VIBGYOR: Violet, Indigo, Blue, Green, Yellow, Orange, Red). Pink is the odd one as it's not part of the traditional rainbow spectrum.