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
1. Question
Statements: All keys are kites.
Some kites are caroms.
No carom is a colony.
Conclusions : I. Some caroms are keys.
II. No kite is a colony.
Correct
Answer : 4
All keys are kites (A) +Some kites are carroms
(I) A + I = No conclusion. Thus, conclusion
I does not follow. Again, Some kites are
carroms (I) + No carrom is a colony (E) = I + E
=O= Some kites are not colonies (O). Thus,
conclusion II does not follow.
Incorrect
Answer : 4
All keys are kites (A) +Some kites are carroms
(I) A + I = No conclusion. Thus, conclusion
I does not follow. Again, Some kites are
carroms (I) + No carrom is a colony (E) = I + E
=O= Some kites are not colonies (O). Thus,
conclusion II does not follow.
-
Question 2 of 5
2. Question
Statements: All states are countries.
No country is a town.
Some towns are villages.
Conclusions: I. No village is a state.
II. Some states are not towns
Correct
Answer : 2
All states are countries (A) + No country is a
town (E) = A+ E = E = No state is a town (E)+
Some towns are villages (I)= E+I = 0* =
Some villages are not states. Hence,
conclusion I does not follow. Again, No state
is a town (E) → implication →Some states
are not towns (O). Hence, Conclusion II
follows.
Incorrect
Answer : 2
All states are countries (A) + No country is a
town (E) = A+ E = E = No state is a town (E)+
Some towns are villages (I)= E+I = 0* =
Some villages are not states. Hence,
conclusion I does not follow. Again, No state
is a town (E) → implication →Some states
are not towns (O). Hence, Conclusion II
follows.
-
Question 3 of 5
3. Question
Statements: No logic is right
Some wrongs are right.
No solution 1s Wrong
Conclusions: I. No logic is a solution.
II. No right is a solution.
Correct
Answer: 4
No solution is Wrong (E) + Some wrongs are
right (I) = E+I = O* = Some rights are not
solutions. Hence, conclusion II does not
follow. Again, No logic is right→ Conversion
No right is logic. Now, Some wrongs are
right (I) + No right is logic (E) = I+ E = O=
Some wrongs are not logic. So, No solution
is wrong (I)+ Some wrongs are not logic (O)
= E + O = No conclusion. Thus, conclusion I
does not follow.
Incorrect
Answer: 4
No solution is Wrong (E) + Some wrongs are
right (I) = E+I = O* = Some rights are not
solutions. Hence, conclusion II does not
follow. Again, No logic is right→ Conversion
No right is logic. Now, Some wrongs are
right (I) + No right is logic (E) = I+ E = O=
Some wrongs are not logic. So, No solution
is wrong (I)+ Some wrongs are not logic (O)
= E + O = No conclusion. Thus, conclusion I
does not follow.
-
Question 4 of 5
4. Question
Statements: All crows are birds.
All birds are parrots.
Some birds are sparrows.
Conclusions: I. Some parrots are not birds.
II. All sparrows are birds.
Correct
Answer :4
All birds are parrots → conversion →Some
parrots are birds. Hence, conclusion I does
not follow. Again, Some birds are sparrows
→Conversion→ Some sparrows are birds.
Hence, conclusion II does not follow.
Incorrect
Answer :4
All birds are parrots → conversion →Some
parrots are birds. Hence, conclusion I does
not follow. Again, Some birds are sparrows
→Conversion→ Some sparrows are birds.
Hence, conclusion II does not follow.
-
Question 5 of 5
5. Question
Statements: Some knives are pins.
All pins are keys.
No key is a lock.
Conclusions: I. Some locks are knives.
II. No lock is a knife.
Correct
Answer : 3
Some knives are pins (I) + All pins are keys
(A) = I+ A =I= Some knives are keys (I)+ No
keys a lock (E) I+ E = O Some knives are
not locks. Thus, conclusion I and II do not
follow. But both conclusions make a
complementary pair (I-E). Hence, either
conclusion I or II follows.
Incorrect
Answer : 3
Some knives are pins (I) + All pins are keys
(A) = I+ A =I= Some knives are keys (I)+ No
keys a lock (E) I+ E = O Some knives are
not locks. Thus, conclusion I and II do not
follow. But both conclusions make a
complementary pair (I-E). Hence, either
conclusion I or II follows.
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