Logical Reasoning - Statement and Conclusion
- Option : D
- Explanation : It has three terms.
After alignment—‘no goats are bears’ and ‘some bears are rabbits’.
E + I = O. So the conclusion is Some rabbits are not goats. Hence, I follows. III and IV also make a complementary pair.
- Option : D
- Explanation : E + A = O*. Hence, the conclusion is ‘Some books are not systems’. Again, I and II are complementary pair.
- Option : A
- Explanation : A + A = A, ‘All branches are trees’. Conclusion I follows. The immediate inference of ‘All branches are trees’ is ‘Some trees are branches’, that is conclusion IV. So, option (a)’ is valid.
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