Statement: A warning on a cigarette packet: 'Smoking is injurious to health.' Conclusions: I. Non-smokers have perfect health. II. The warning is intended to make people aware of the dangers of smoking. Which conclusion(s) logically follow? MCQ with Answer and Explanation
Statement:
A warning on a cigarette packet: 'Smoking is injurious to health.'
Conclusions:
I. Non-smokers have perfect health.
II. The warning is intended to make people aware of the dangers of smoking.
Which conclusion(s) logically follow?
A. Only conclusion II follows
B. Both I and II follow
C. Only conclusion I follows
D. Neither I nor II follows
Answer: Option A
Solution (By JKSSB Mock Tests)
The statement does not mean smoking is the *only* thing injurious to health, so non-smokers might get sick from other causes (Conclusion I is false). The explicit purpose of placing a warning is to inform/warn people (Conclusion II follows).
Statement:
Despite heavy security, a theft occurred in the museum.
Conclusions:
I. The security guards were involved in the theft.
II. Heavy security is not a 100% guarantee against theft.
Which conclusion(s) logically follow?
Explanation:
The statement simply states a fact that theft occurred despite security. Assuming guard involvement (I) is speculation. However, it logically proves that heavy security does not entirely eliminate the possibility of theft (II).
Statements:
1. No lock is a key.
2. No key is a door.
Conclusions:
I. All locks are doors.
II. Some doors are locks.
Which conclusion(s) logically follow?
Explanation:
Two negative premises yield no positive conclusion between the unconnected terms (locks and doors). They might overlap, or they might not. Neither conclusion is definite.
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