Passage: Three persons A, B and C wore shirts of black, blue and orange colours (not necessarily in that order) and pants of green, yellow and orange colours (not necessarily in that order). No person wore pant and shirt of the same colour. A did not wear shirt of black colour. B did not wear shirt of blue colour. C did not wear shirt of orange colour. A did not wear pant of green colour. B wore pant of orange colour. What were the colours of pant and shirt worn by C, respectively?
Correct answer: C. Green and blue
- A. Yellow and black
- B. Yellow and blue
- C. Green and blue
- D. Orange and black
Explanation
From the clues, we can deduce the combinations. Since B wore orange pants, A and C must have worn green and yellow pants. Since A did not wear green, A must have yellow pants, leaving C with green pants. The shirt colors can then be deduced to match the remaining constraints, with C wearing a blue shirt.
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About Fundamental Principles of Organic Chemistry
Organic chemistry begins with carbon compounds classified by carbon skeleton, saturation and functional group. Work includes identifying groups such as hydroxyl, carbonyl, carboxyl and amino, applying basic nomenclature, and distinguishing structural, geometric and optical isomers, where the same molecular formula does not necessarily mean the same structure or properties.
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