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					 Which one of the given responses would be a meaningful order of the following colours?
1. Indigo
2. Red
3. Violet
4. Blue
5. Green
6. Yellow
7. Orange 
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-  3, 1, 4, 5, 2, 6, 7 
 -  3, 1, 4, 5, 6, 2, 7 
 -  1, 5, 6, 7, 3, 4, 2 
 - 3, 1, 4, 5, 6, 7, 2
 
 -  3, 1, 4, 5, 2, 6, 7 
 
Correct Option: D
Meaningful order of words: 
3. Violet → 1. Indigo → 4. Blue → 5. Green → 6. Yellow → 7. Orange → 2. Red