Reasoning Questions: Syllogism Set 10

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Questions Penned by Yogit

1. Statements: –No cat is rat. All rats are dog. Some dog are lion.
Conclusions: 1) No cat is lion 2) No dog is a rat. 3) Some dog is rat is a possibility. 4) At least some lions are cat.
a) Either 1 or 2 and 3 follows
b) Either 1 or 4 follow
c) Either 1 or 4 and 3 follow
d) all follows
Answer – b) Either 1 or 4 follow
Solution: No cat is a lion or at least some lions are cat. Either case so, always true

2. Statements: All pens are eraser. Some erasers are pencil. Some pencils are ink.
Conclusions: 1) Some ink are eraser. 2) Some pencil are pen. 3) No pen is pencil.
a) Either 1 or 2 follow
b) Either 2 or 3 follow
c) Either 1 or 3 follow
d) All follow
Answer – b) Either 2 or 3 follow
Solution:

3. Statements: All A are B. Some B are C. All C are D.
Conclusions: –  1) All D are C. 2) All D are A. 3) Some D are B.
a) Only 1 follow
b) Only 2 follow
c) Only 3 follow
d) all follow.
Answer – c) Only 3 follow
Solution:

4. Statements:  All trees are river. All mountains are trees. All branches are mountains.
Conclusions: 1) Some trees are branches 2) Some river are not mountain 3) All trees are mountain.
a) Only 1 follow
b) Both 1 and 2 follow
c) only 3 follow
d) Both 1 and 3 follow
Solution:

5. Statements: Some brakes are clutch. No clutch is horn. All light are horns.
Conclusions: 1) some light are clutch 2) some brakes are horn 3) Some lights are brakes
a) Only 1 follows
b) only 2 follow
3) Both 2 and 3 follow
4) None follows
Solution :

6. Statements: All tables are chair. Some plates are table. All glasses are plates.
Conclusions: 1) All glasses are chairs. 2) Some glasses are table 3) All plates are chairs.
a) Both 1 and 2 follow
b) Both 1 and 3 follow
c) None follow
d) all follows
Solution:

7. 7) Statements: Some black are white. All blue are green. All white are blue.
Conclusions: 1) Some black are blue 2) All blue are white 3) All green are black 4) All blue are black.
a) Only 2 follow
b) Only 3 follow
c) Either 2 or 3 and 1 and 4 follow
d) None of these
Solution:Only one follows, hence none of these.

8. Statement: – No P is Q. All Q are S. Some R are S.
Conclusions: 1) All R being P is a possibility. 2) All S being R is a possibility.
1) Both follow
2) Only 1 follow
3) only 2 follow
4) none of these
Solution:

9. Statements: Some bananas are apple. Some guavas are apples. Some grapes are guava.
Conclusion: 1) Some bananas are definitely grapes. 2) Some grapes being apple is a possibility 3) All apples being banana is a possibility.
1) Both 1 and 2 follow
2) Only 2 follow
3) Both 2 and 3 follows
4) None follows
Answer –3) Both 2 and 3 follows
Solution:

10. Statements: some flowers are lily. Some flowers are rose .some flowers are lotus.
Conclusions: 1) All lily being rose is a possibility 2) Some lily can be lotus.
1) Only 1 follow
2) Only 2 follow
3) Both follow
4) none follow