Question
Statements: No red is white. All white are
orange. Some Orange are blue. Conclusions: I. No red is blue. II. No orange is red. III. All orange being white is a possibility. IV. At least some blue are red. In each question below are given some statements followed by some conclusions numbered I, II, III and IV are given. You have to take the given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions logically follows from the given statements, disregarding commonly known facts.Solution
No red is white(E) + All white are orange ⇒ Some oranges are not red(O*). Hence conclusion I, II and IV do not follow but conclusion I and IV will form a complementary pair. Hence either conclusion I or IV follow. All white are orange(A) ⇒ Conversion ⇒ Some orange are white(I) ⇒ Probable conclusion ⇒ All orange being white is a possibility(A). Hence conclusion III follow. ALTERNATE SOLUTION: Relevant Possibilities 
In the question below some statements are given followed by two conclusions I, and II. You have to take the given statements to be true even if they se...
Statement:
Only a few Heel is Sandal
All Sandals are Laces
Only Lace is buckle
Conclusion:
I. Some Heels are Lac...
Statements:
Some penguin are parrot
No parrot is a eagle
No penguin is a sparrow
Conclusions:
I. Some sparrow are not...
Statements:
Some pulses are grams.
No pulse is a bean.
All grams are wheat.
Conclusions:
I. All wheat being pulses ...
Conclusions: Some Circles are Triangles. Some Squares being Circles is a possibility. All Triangles are Circles.
Statements: All TVs are laptops.
Some laptops are computers.
All computers are keyboards.
Conclusions: I. Some TVs may be compute...
Statements:
Some A are B.
Only a few B are C.
All C are D.
Only a few D are E.
Conclusions:
I). Â No A is...
Statements: All diaries are papers.
Some papers are pens.
No pencil is a paper.
Conclusions:I. No diary is a pencil.
...
Statement:Â
Some P are Q
Only a few R are S.
Only a few S are T.
Some S are P.
Conclusion:
I. All R can b...
Statements:
No watches are mobile.
Some mobile is earphone.
Only a few earphones is bike.
Only a few bike is car.
...