Statement: Those hilly areas will be declared backward where forest area does not exist. Conclusions: I. Hilly forest areas are not backward. II. In backward areas hills are without forest. MCQ with Answer and Explanation
Statement: Those hilly areas will be declared backward where forest area does not exist.
Conclusions:
I. Hilly forest areas are not backward.
II. In backward areas hills are without forest.
A. Neither conclusion I nor II follows
B. Only conclusion I follows
C. Both conclusions I and II follow
D. Only conclusion II follows
Answer: Option B
Solution (By JKSSB Mock Tests)
Conclusion I follows: if a hilly area lacks forest, it is declared backward; therefore, hilly areas with forest are not declared backward. Conclusion II does not follow because the statement only defines a condition for declaring backwardness, not that all backward areas are hilly and without forest.
Statements:
1. Some scientists are philosophers.
2. All philosophers are writers.
Conclusions:
I. Some writers are scientists.
II. All scientists are writers.
Which conclusion(s) logically follow?
Explanation:
The scientists who are philosophers must also be writers because all philosophers are writers. Therefore, some writers are scientists (Conclusion I). We cannot say all scientists are writers based on the given premises (Conclusion II).
Statements:
1. Some phones are smart.
2. No smart thing is cheap.
Conclusions:
I. Some phones are not cheap.
II. No phone is cheap.
Which conclusion(s) logically follow?
Explanation:
The phones that are smart cannot be cheap (since no smart thing is cheap). Therefore, at least some phones are definitely not cheap (Conclusion I). We don't know about the phones that are not smart, so II does not follow.
Statements:
1. All apples are fruits.
2. No fruit is a vegetable.
3. Some vegetables are healthy.
Conclusions:
I. No apple is a vegetable.
II. Some healthy things are not apples.
Which conclusion(s) logically follow?
Explanation:
Since apples are fruits and no fruits are vegetables, apples cannot be vegetables (I follows). Some vegetables are healthy, and since vegetables cannot be apples, those healthy vegetables are definitely not apples (II follows).
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