Statements: All oceans are water. All lakes are water. Conclusions: I. All lakes are oceans. II. Some lakes are oceans. III. All oceans are lakes.
Correct answer: A. None follow
- A. None follow
- B. Only I
- C. Only III
- D. I and II
Explanation
The correct answer is None follow. The statements provided tell us that all oceans and lakes are part of the larger category of water, but they do not establish any direct relationship between oceans and lakes themselves. Since both are subsets of water, we cannot infer that all lakes are oceans, some lakes are oceans, or all oceans are lakes. Each conclusion presented requires a direct relationship between lakes and oceans that is not substantiated by the initial statements.
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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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200 free Logical Deductions MCQs from Analytical and Logical Reasoning, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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