SYLLOGISM – Railway Reasoning part – 5

Total Questions: 50

11. Which of the conclusions follows from the given statements? [RRB NTPC 21/01/2021 (Morning)]

Statements :
All red are white.
All white are black.
Conclusions :
1. Some white are red.
2. Some black are red.
3. Some red are not black.
4. All black are white.

Correct Answer: (c) Only conclusion 1 and 2 follow.
Solution:From the above diagram it is clear that some white are red and some black are red. Hence, only conclusions 1 and 2 follow.

12. Answer the given statements from the given option : [RRB NTPC 22/01/2021 (Morning)]

A. Some animals are colour-blind.
B. All colorfuls are colour-blind but not animals.

Correct Answer: (b) Some colour-blinds are animals.
Solution:

13. Consider the given statements and decide which of the assumptions from the options is NOT implicit in the statements. [RRB NTPC 22/01/2021 (Morning)]

All birds are wings.
Some wings are feathers.
Some feathers are birds.

Correct Answer: (d) All wings are birds.
Solution:

14. Consider the given statements and decide which of the assumptions from the options is NOT implicit in the statements . [RRB NTPC 22/01/2021 (Morning)]

Some trucks are bikes.
Some tires are not bikes but trucks.

Correct Answer: (b) Some bikes are tires.
Solution:

Some bikes are tyres means some tyres are not bikes.

15. Which of the conclusions follows from the given statements? [RRB NTPC 23/01/2021 (Evening)]

Statement :
All reds are black.
Conclusion :
1. Some blacks are red.
2. Some reds are black.

Correct Answer: (d) Both conclusions 1 and 2 follow.
Solution:From the above diagram it is clear that some blacks are red and some reds are black.

16. Which of the conclusions follows from the given statements? [RRB NTPC 25/01/2021 (Morning)]

Statements :
All animals are rats.
No rat is brown.
Conclusion :
1. Some animals are brown.
2. Those animals that are not rats are
brown

Correct Answer: (c) Neither conclusion 1 nor 2 follows.
Solution: From the above Venn diagram, we can see that neither conclusion 1 nor 2 follows.

17. Which of the conclusions follows from the given statements? [RRB NTPC 25/01/2021 (Evening)]

Statements :
All desks are bags.
Some bags are pillows.
Some bags are not chairs.
Conclusion :
1. Some desks are pillows.
2. Some pillows are chairs.

Correct Answer: (d) Neither conclusion 1 nor 2 follows.
Solution:

Neither conclusion 1 nor 2 follows.

18. Which of the conclusions follows from the given statements? [RRB NTPC 25/01/2021 (Evening)]

Statement :
Some glasses are mugs
All mugs are plates
No plate is telephone
Conclusion :
1. Some glasses are plates.
2. Some mugs are not telephones

Correct Answer: (d) Conclusion 1 and Conclusion 2 both follow.
Solution:

19. Which of the conclusions follows from the given statements? [RRB NTPC 27/01/2021 (Morning)]

Statements :
All doctors are players.
Some players are teachers.
Conclusions :
1. Some players are doctors as well as teachers.
2. All teachers are players.

Correct Answer: (a) Neither conclusions 1 nor 2 follows
Solution:

Neither conclusions 1 nor 2 follows

20. Which of the conclusions follows from the given statements? [RRB NTPC 27/01/2021 (Morning)]

Statement 1 : Some chairs are tables.
Statement 2 : All books are tables
Conclusion 1 : Some books are chairs
Conclusion 2 : Some tables are chairs.

Correct Answer: (d) Only conclusion 2 follows
Solution:

So, Some Tables are chairs