Directions : In each of the questions given below three statements are followed by two conclusions numbered I and n, You have to take 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 logically follows from the given statements, disregarding commonly known facts. Give answer
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Question 1 of 5
Statements: Some demands are public
No demand is extensive.
All public are central.
Conclusions: I. Some demands are central.
II. Some extensive are public.
Correct
Answer :1
Some demands are public (I) + All public are central (A)+ A = I = Some demands are central (l). Thus, conclusion I follows. Again, Some demands are public→ conversion→ Some public are demands (I)+ No demand is extensive (E)= I + E = O Some public are not extensive. Thus, conclusion II does not follow.
Incorrect
Answer :1
Some demands are public (I) + All public are central (A)+ A = I = Some demands are central (l). Thus, conclusion I follows. Again, Some demands are public→ conversion→ Some public are demands (I)+ No demand is extensive (E)= I + E = O Some public are not extensive. Thus, conclusion II does not follow.
Question 2 of 5
Statements: All houses are wheels.
Some wheels are trees.
No tree is a plant.
Conlusions: I. No plant is a trees.
II. All houses are trees.
Correct
Answer : 1
No tree is a plant →conversion→ No plant is a tree. Hence, conclusion I follows. Again, All houses are wheels (A) + Some wheels are trees (I) = A + I = No conclusion. Hence,
conclusion II does not follow.
Incorrect
Answer : 1
No tree is a plant →conversion→ No plant is a tree. Hence, conclusion I follows. Again, All houses are wheels (A) + Some wheels are trees (I) = A + I = No conclusion. Hence,
conclusion II does not follow.
Question 3 of 5
Statements: All animals are cats.
Some cats are lions.
No tiger is a cat.
Conclusions: I. No animal is a tiger.
II. Some tigers are animals.
Correct
Answer : 1
No tiger is a cat -conversion → No cat is a tiger (E). Now, All animals are cats (A) + No cat is a tiger (E) =A+E = E = No animal is a tiger. Hence, conclusion I follows. But conclusion II does not follow.
Incorrect
Answer : 1
No tiger is a cat -conversion → No cat is a tiger (E). Now, All animals are cats (A) + No cat is a tiger (E) =A+E = E = No animal is a tiger. Hence, conclusion I follows. But conclusion II does not follow.
Question 4 of 5
Statements: Some fruits are plants.
No plant is a tree
No lower is a fruit
Conclusions: I. All fruits can never be trees
II. Some flowers are plants
Correct
Answer : 1
Some fruits are plants (I)+ No plant is a tree (E)=I+ E =O= Some fruits are not trees.
Hence, conclusion I follows. Again, No flower is a fruit (E) + Some fruits are plants (I) = E+I= O*=Some plants are not flowers. Hence, conclusion Il does not follow.
Incorrect
Answer : 1
Some fruits are plants (I)+ No plant is a tree (E)=I+ E =O= Some fruits are not trees.
Hence, conclusion I follows. Again, No flower is a fruit (E) + Some fruits are plants (I) = E+I= O*=Some plants are not flowers. Hence, conclusion Il does not follow.
Question 5 of 5
Statements: Some doors are handles.
All handles are threads.
Some threads are windows.
Conclusions: I. Some doors are threads.
II. Some handles are windows
Correct
Answer : 1
Some doors are handles () + All handles are threads (A)= I +A = I = Some doors are
threads. Hence, conclusion I follows. Again, All handles are threads (A)+ Some threads are windows (I) =A+I =No conclusion. Hence,
conclusion II does not follow.
Incorrect
Answer : 1
Some doors are handles () + All handles are threads (A)= I +A = I = Some doors are
threads. Hence, conclusion I follows. Again, All handles are threads (A)+ Some threads are windows (I) =A+I =No conclusion. Hence,
conclusion II does not follow.
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