Directions: In each of these questions, four words have been given. Out of which three are alike in some manner and the fourth one is different.

Choose the odd one.

  1. Indigo
  2. Pink
  3. Blue
  4. Green

Answer (Detailed Solution Below)

Option 2 : Pink
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Detailed Solution

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All colours except ‘pink’ are colours we can see in a rainbow.
Colours of Rainbow: Red, Orange, Yellow, Green, Blue, Indigo and Violet.
Hence, ‘pink’ is the odd one out.
 
 Important PointsIn the questions of classification, three options will share a common positive characteristic whereas the fourth option will not. The remaining three options must have something in common hence should form a group.
Additional Information
Additive primary colors (used in light):
  • Red
  • Green
  • Blue
​These colors are used in devices like computer monitors and TVs, where different intensities of light are combined to create a wide range of colors.
Subtractive primary colors (used in pigments and printing):
 
  • Cyan
  • Magenta
  • Yellow
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