Statement: She is a professional dancer. Conclusions: I. She has received formal training. II. She performs on stage.
A. Only II follows
B. Neither I nor II follows
C. Both I and II follow
D. Only I follows
Answer: Option B
Solution (By JKSSB Mock Tests)
Neither necessarily follows. A professional dancer may be self-taught; not all professional dancers perform on stage (some teach). So, neither is certain.
Statements:
1. Some cups are plates.
2. No plate is a spoon.
Conclusions:
I. Some cups are not spoons.
II. No cup is a spoon.
Which conclusion(s) logically follow?
Explanation:
Since some cups are plates, and no plates are spoons, the portion of cups that are plates can never be spoons. Thus, some cups are definitely not spoons (Conclusion I). However, we do not know about all cups, so we cannot definitively say no cup is a spoon (Conclusion II).
Statements:
1. No dog is a cat.
2. All cats are lions.
Conclusions:
I. No dog is a lion.
II. Some lions are not dogs.
Which conclusion(s) logically follow?
Explanation:
All cats are lions, and no dog is a cat. This means dogs cannot enter the 'cat' portion of the 'lion' circle. Therefore, those lions which are cats are definitely not dogs (Conclusion II). However, dogs could still overlap with the non-cat portion of lions, so Conclusion I does not follow.
Statement: Recent researches have shown that pimples have their root cause within the liver.
Conclusions:
I. The medication for pimples should be administered to the liver.
II. Creams requiring external application are of no use.
Explanation:
Conclusion I follows logically: if the root cause is in the liver, treating the liver is appropriate. Conclusion II is extreme; external creams may still provide symptomatic relief, so it does not follow.
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