SYLLOGISM – Railway Reasoning part – 5

Total Questions: 50

41. Which of the conclusions follows from the given statements? [RRB NTPC 16/02/2021 (Morning)]

Statements :
1. All oranges are mangoes
2. All mangoes are apples
3. All apples are grapes
Conclusion :
I. All mangoes are grapes
II. All apples are oranges
III. All oranges are grapes
IV. All grapes are mangoes.

Correct Answer: (b) Only conclusion I and III follow
Solution:

42. You are given two statements: [RRB NTPC 16/02/2021 (Evening)]

1. All balloons are robbins.
2. No robin is a glass.
Which of the following conclusions is/are true ?
A. All robins are balloons.
B. No balloon is a glass.

Correct Answer: (c) Only B
Solution:

43. Which of the conclusions follows from the given statements? [RRB NTPC 16/02/2021 (Evening)]

Statements:
Some singers are not dancers. Some dancers are artists. No artist is a
magician.
Conclusions:
1. Some singers are artists
2. Some dancers are not magicians
3. Some singers are magicians

Correct Answer: (a) Only conclusion 2 follows.
Solution:

44. Which of the conclusions follows from the given statements? [RRB NTPC 17/02/2021 (Morning)]

Statements :
Some sisters are brothers.
Very few balloons are sisters.
Conclusions :
I. Some brothers are balloons.
II. Some brothers are not balloons.

Correct Answer: (b) Either conclusion I or II follows.
Solution:

Given conclusions form a complementary pair. Both can not be true or false at the same time. Hence, either conclusion I or II follows.

45. Which of the conclusions follows from the given statements? [RRB NTPC 17/02/2021 (Evening)]

Statements:
All horses are donkeys.
All monkeys are donkeys.
Conclusions:
I. Some horses are monkeys.
II. Some monkeys are horses.

Correct Answer: (d) Neither I nor II follows
Solution:From the above diagram it is clear that there is no relation between horses and monkeys so some horses are monkeys and some monkeys are horses both are wrong.

46. Which of the conclusions follows from the given statements? [RRB NTPC 22/02/2021 (Morning)]

Statements :
1. All Venus are Mercury.
2. Some Jupiter are Venus.
3. All Pluto are Jupiter.
Conclusions :
I. All Pluto are Mercury.
II. Some Pluto are Mercury.
III. Some Mercury are Jupiter.
IV. All Jupiter are Mercury.

Correct Answer: (a) Only conclusion III follows
Solution:From the above diagram it is clear that Some mercury is jupiter.

47. Which of the conclusions follows from the given statements? [RRB NTPC 01/03/2021 (Evening)]

Statements;
1. All SIM’s are phones.
2. Some phones are smart.
3. No phone is a keyboard
Conclusions:
I. No SIM is a keyboard.
II. Some SIMs are keyboard.
III. Some phones are keyboard.

Correct Answer: (c) Only I follows
Solution:From the above Venn diagram, we can see that only conclusion I follows.

48. Which of the conclusions follows from the given statements? [RRB NTPC 02/03/2021 (Morning)]

Statements:
Some men are elephants.
Some elephants are tigers.
Conclusions :
I. Some elephants are men.
II. Some tigers are elephants.

Correct Answer: (a) Both conclusion I and II follow
Solution:From the above diagram, we can see that both conclusions 1 and 2 follow

49. Which of the conclusions follows from the given statements? [RRB NTPC 02/03/2021 (Morning)]

Statements :
Some rings are bangles.
Some bangles are bracelets.
All the bracelets are studs
Conclusions :
1. Some studs are bangles.
2. Some bracelets are rings.
3. No bracelet is a ring.
4. Some bangles are rings.

Correct Answer: (c) Only conclusions 1 and 4 and either 2 or 3 follow.
Solution:

Only conclusions 1 and 4 and either 2 or 3 follow.

50. Which of the conclusions follows from the given statements? [RRB NTPC 03/03/2021 (Morning)]

Statements:
No woman is a cow.
Elif is a woman.
Conclusions:
I. Elif is not a cow.
II. Elif may or may not be a cow.

Correct Answer: (a) Only conclusion I follow
Solution: