Reasoning

ISBT Reasoning for all banking PO,Clerk,IBPS PO,Railway,SSC,IAS,OAS Exams

Q11.
Directions: In each of the questions below are given three statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements:
No rabbit is lion.
        Some horses are lions.
All rabbits are tables.

Conclusions:
I. Some tables are lions.
II. Some horses are rabbits.
III. No lion is table.
1) None follows 2) Only III follows
3) Only either I or III follows 4) Only II and III follows
5)None of these
Answer : Only either I or III follows
Explanation : From the above statements, we find 

It is clear that, only either I or III follows.
View Answer

Q12.
Directions : In each of the questions below are given three statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements:
Some birds are balloons.  
        Some balloons are balls.
All balls are books.

Conclusions:
I. Some birds are balls.
II. Some balloons are books.
III. Some books are birds.
1) Only II follows 2) Only I follows
3) Only III follows 4) Only I & II follow
5)None of these
Answer : Only II follows
Explanation : From the above statements, we find :

So, the answer is 1 i.e  only II follows.
View Answer

Q13.
Directions : In each of the questions below are given three statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements : Some fruits are stars.
Some stars are rivers.
All rivers are goats.
Conclusions :
I. No goat is fruit
II. Some goats are stars
III. No goat is star
1) Only I follows 2) Only II follows
3) Only either II or III follows 4) Only either I or II follows
5)All follow
Answer : Only II follows
Explanation : From the above statements, we find the answer is
View Answer

Q14.
Directions : In each of the following questions two statements are given and these statements are followed by two conclusions numbered I and II. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts. Give answer:

1) If only I follows  
2) If only II follows
3) If either I or II  follows 
4) If neither I nor II follows 
5) If both I and II follow

Statements:  All nut are shell. No shell is bonus.  All bonus are dent.
Conclusions: 
I. At least some dent are shell.
II. No dent is shell.
1) 1 2) 2
3) 3 4) 4
5)5
Answer : 3
Explanation :
View Answer

Q15.
Directions : In each of the following questions two statements are given and these statements are followed by two conclusions numbered I and II. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts. Give answer:

1) If only I follows  
2) If only II follows
3) If either I or II  follows 
4) If neither I nor II follows 
5) If both I and II follow

Statements:  All nut are shell. No shell is bonus.  All bonus are dent.

Conclusions: 
I.  All nut being dent is a possibility.
II.  No nut is bonus.

1) 1 2) 2
3) 3 4) 4
5)5
Answer : 5
Explanation :
View Answer