Seven men, A, B, C, D, E, F and G are standing in a queue in that order. Each one is wearing a cap of a different colour like violet, indigo, blue, green, yellow, orange and red. D is able to see in front of him green and blue but not violet. E can see vi

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Q: 135 (IAS/1995)
Seven men, A, B, C, D, E, F and G are standing in a queue in that order. Each one is wearing a cap of a different colour like violet, indigo, blue, green, yellow, orange and red. D is able to see in front of him green and blue but not violet. E can see violet and yellow, but not red. G can see caps of all colours other than orange. If E is wearing an indigo coloured cap, then the colour of the cap worn by F is

question_subject: 

Logic/Reasoning

question_exam: 

IAS

stats: 

0,15,7,3,4,15,0

keywords: 

{'indigo coloured cap': [0, 1, 0, 0], 'colours': [0, 2, 4, 9], 'different colour': [0, 1, 1, 0], 'colour': [11, 6, 13, 28], 'red': [1, 0, 0, 0], 'caps': [0, 1, 3, 0], 'indigo': [0, 0, 1, 1], 'cap': [0, 1, 1, 1], 'men': [4, 3, 12, 9], 'violet': [2, 1, 3, 3], 'order': [6, 12, 34, 35], 'queue': [0, 0, 0, 1]}

We can start by understanding the sequence provided in the question: A-B-C-D-E-F-G.

D can see green and blue caps, but not violet, so D must be wearing a violet cap and either B or C must be wearing green and the other one blue.

E can see violet and yellow but can`t see red, which means E must be wearing a red cap.

However, the question mentioned that E is wearing an indigo cap, consequently, for E to be able to see the violet and yellow caps, F has to be wearing the red cap (Option 3).

G apparently can see all the caps, but not orange.

The order of the caps from A to G in a queue is: _, _, _, violet, indigo, red, orange.

The correct answer is red. There is no context in the question to justify other options i.e., blue, violet, and orange.