Syllogism Questions for RBI Assistant 2017
Directions (Q. 1-5) : In these questions consist of three statements followed by three conclusions. Consider the given statements to be true even if they seem to be at variance with commonly known facts.
Read all the conclusions and then decide which of the given conclusions does not logically follow from the given statements using all statements together.
Q.1: Statements :
All pens are papers.
No pencil is a paper.
Some ink are pencil.
Conclusions :
I. Some papers are ink.
II. No ink is pen.
III. Some pens are pencils.
1: Only I follows.
2: Only III follows.
3: Only II follows.
4: Either I or II follows.
5: None follows.
Q.2: Statements :
Some roads are trains.
All trains are rivers.
All rivers are seas.
Conclusions :
I. All trains are seas.
II. Some seas are roads.
III. Some roads are not rivers.
1: Only I follows.
2: Only I and II follow.
3: Only III follows.
4: All I, II and III follow.
5: None of these
Q.3: Statements :
Some As are Bs.
Some As are Cs.
Some As are Ds.
Conclusions :
I. All As are either B or B or C or D.
II. No D is C.
III. Some C are D.
1: None follows.
2: Only I follows.
3: Only either II or III follows.
4: Only III follows.
5: None of these
Q.4: Statements :
All boys are children.
Some students are boys.
All students are girls.
Conclusions :
I. All boys are girls.
II. Some children are students.
III. Some girls are children.
1: Only II and III follow.
2: Only III follows.
3: Only either II or III follows.
4: All I, II and III follow.
5: Only II follows.
Q.5: Statements :
Some subjects are mathematics.
Some Hindi are subjects.
All Hindi are English.
Conclusions :
I. Some mathematics are English.
II. Some Hindi are mathematics.
III. Some English are subjects.
1: Only I and III follow.
2: Only III follows.
3: Only II follows.
4: Only I follows.
5: None follows.
Answers:
- 5;
- 2;
- 3;
- 1;
- 2;
