SYLLOGISM – Railway Reasoning part – 1

Total Questions: 50

1. Which of the conclusions follows from the given statements? [Group - D 02/09/2022 ( Afternoon)]

1. Statements:
1. All pots are sands.
2. Some sands are clays.
3. All greys are clays.
Conclusions:
I. Some greys are pots.
II. All clays are sands is a possibility.
III. Some clays are pots.

Correct Answer: (c) Only conclusion II is true
Solution:

Only conclusion II is true.

2. Which of the conclusions follows from the given statements? [Group - D 05/09/2022 (Morning)]

Statements:
1. All sparrows are birds.
2. Some birds are animals.
3. All dogs are animals.
Conclusions:
I. Some dogs are sparrows.
II. All animals are birds is a possibility.
III. Some animals are sparrows.

Correct Answer: (b) Only conclusion II is true
Solution:

As per given statements

It can not be said with certainty whether some dogs are sparrows, nor can it be said with certainty whether some animals are sparrows . So, conclusion (I) and (iii) are not true. Some animals are birds, so it could also be possible that all animals are birds. Hence, conclusion (II) is true.

3. Which of the conclusions follows from the given statements? [Group - D 05/09/2022 (Afternoon)]

Statements:
1. Some mountains are hills.
2. Some hills are rocks.
3. All rocks are black.
Conclusions:
I. Some black are hills.
II. All hills are mountains is a possibility.
III. Some rocks are not mountains.

Correct Answer: (d) Only conclusion I and II are true
Solution:

From the given statement following venn diagram will be drawn

From the diagram we can conclude that
Only conclusion I and II is true.

4. Which of the conclusions follows from the given statements? [Group - D 05/09/2022 (Afternoon)]

Statements:
1. Some sports are cricket.
2. Some cricket are tennis.
3. All tennis are balls.
Conclusions:
I. Some tennis are sports.
ΙΙ. Some balls are sports.
III. Some balls are cricket.

Correct Answer: (d) Only conclusion III is true
Solution:

Only conclusion III is true.

5. Which of the conclusions follows from the given statements? [Group - D 06/09/2022 (Morning)]

Statements:
1. All green are red.
2. Some red are brown.
3. All grey are brown.
Conclusions:
I. Some grey are green.
II. All brown being red is a possibility.
III. Some brown are green.

Correct Answer: (a) Only conclusion II is true.
Solution:

As per given instructions, the following diagram is possible

From above diagram, we can see that only conclusion II follows.

6. Which of the conclusions follows from the given statements? [Group - D 06/09/2022 (Evening)]

statement:
1. All cats are dogs.
2. Some dogs are birds.
3. All bears are birds.
conclusion:
I. Some bears are cats.
II. All birds being dogs is a possibility.
III. Some birds are cats.

Correct Answer: (d) only Conclusion ॥ is true.
Solution:

As per given instruction the following arrangements are possible,

From the above diagram we can clearly see that only conclusion II follows.

7. Which of the conclusions follows from the given statements? [Group - D 08/09/2022 (Evening)]

Statements:
Some mats are figs.
All figs are clips.
No clip is a stand.
Conclusions:
I. All mats being stands is a possibility.
II. Some clips are mats.

Correct Answer: (b) Only conclusion II follows
Solution:

As per instruction the following arrangement is possible,

From above fig. We can see that only conclusion (II) follows

8. Which of the conclusions follows from the given statements? [Group - D 08/09/2022 (Evening)]

Statements:
1. Some students are males.
2. Some males are sincere.
3. All sincere are honest.
Conclusions:
I.Some honest are males.
II. All males are students is a possibility.
III. Some sincere are not students.

Correct Answer: (c) Only conclusion I and II are true
Solution:

From the above fig we can see that only conclusion I and II follows.

9. Which of the conclusions follows from the given statements? [NTPC CBT II Level 5 (12/06/2022) Shift 2]

Statements:
Some mobiles are laptops.
No laptop is a computer.
All phones are computers
Conclusions:
I. At least some mobiles are computers.
II. At least some phones are laptops.

Correct Answer: (c) Only conclusion I follow.
Solution:

So, neither conclusion I nor II follow.

10. Which of the conclusions follows from the given statements? [NTPC CBT II Level 2 (13/06/2022) Shift 1]

Statements:
Some pencils are pens.
No pen is a sharpener
All sharpeners are staplers
Conclusions:
I. At least some staplers are pens.
II. All pencils are pens.

Correct Answer: (a) Neither conclusion I nor II follow
Solution:

So, neither conclusion I nor II follow