Statements: All rainbows are colors. No color is dull. Conclusions: I. No rainbow is dull. II. Some dull things are colors.
Correct answer: C. Only I
- A. Both
- B. Only II
- C. Only I
- D. None
Explanation
The statements are: 'All rainbows are colors' and 'No color is dull.' From these, we can conclude that all rainbows, being colors, cannot be dull. Hence, Conclusion I ('No rainbow is dull') is correct.Conclusion II ('Some dull things are colors') contradicts the statement that no color is dull, making it incorrect. Therefore, only Conclusion I is valid.
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About Logical Deductions
Logical deductions require conclusions to be drawn from stated facts, conditions and relationships without adding outside information. The work includes handling all, some and none statements, necessary and sufficient conditions, ordering restrictions, true or false conclusions, and the difference between what must be true and what could be true.
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