Statements:Some dogs are rats. All rats are trees. Some trees are not dogs.Conclusions:I. Some trees are dogs.II. All dogs are trees.III. All rats are dogs.IV. No tree is dog.Which of the following is/are most appropriate in the above scenario?
Correct answer: C. Only I
- A. Only I and II
- B. Only II and III
- C. Only I
- D. None of these
Explanation
Given the statements: 'Some dogs are rats', 'All rats are trees', and 'Some trees are not dogs', we need to evaluate the conclusions:I. Some trees are dogs. This follows because some dogs are rats, which are trees, indicating that some trees must be dogs.II. All dogs are trees. This does not necessarily follow since there could be dogs that are not rats, leaving the possibility open that not all dogs are trees.III. All rats are dogs. This does not follow because the statement only confirms that some dogs are rats, not the other way around.IV. No tree is dog. This contradicts the logic that some trees are indeed dogs, as explained in Conclusion I.Therefore, only Conclusion I logically follows from the given statements.
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About Logical Problems
Logical problems present several conditions about people, objects, events or choices and require their possible arrangements to be tested. They cover constraint-based reasoning, rankings, matching, grouping, scheduling and elimination, with attention to the difference between a complete solution and a possibility that merely satisfies one condition.
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