Logical Reasoning MCQ - 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

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.

22 Statements
No systems are desks.
All desks are books.
Conclusions
I. Some systems are books.
II. Some systems are not books.
III. Some books are systems.
IV. Some books are not systems.
Choices

E + A = O*. Hence, the conclusion is ‘Some books are not systems’. Again, I and II are complementary pair.

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

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.

24 Statements
Some bags are pockets.
No pocket is a pouch.
Conclusions
I. No bag is a pouch.
II. Some bags are not pouches.
III. Some pockets are bags.
IV. No pocket is a bag.
Choices

25 Statements
politicians are honest.
All honest are fair.
Conclusions
I. Some honest are politicians.
II. No honest is politician.
III. Some fair are politicians.
IV. All fair are politicians.
Choices