Logical Reasoning - Statement and Conclusion

21. Statements
Some rabbits are bears.
No goats are bears.
Conclusions
I. Some rabbits are not goats.
II. All rabbits are goats.
III. Some goats are not rabbits.
IV. All goats are rabbits.
Choices

  • 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.
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23. Statements
All branches are flowers.
All flowers are trees.
Conclusions
I. All branches are trees.
II. All trees are branches.
III. All flowers are branches.
IV. Some trees are branches.
Choices

  • 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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