Some mountains are hillocks. Some mountains are rivers. Some mountains are valleys. Conclusions: 1. All mountains are either hillocks or rivers or valleys 2. No valley is river 3. Some river are valleys

None follows
Only 1 follows
Only 2 and 3 follow
Only 3 follows

Correct Answer: Only 2 and 3 follow

Explanation:

2 and 3 are the satements involving the extreme terms of the last 2 premises and form a complementary pair. Thus either 2 or 3 follows

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More Questions from Statement and Conclusion

Some hills are rivers. Some rivers are desrets. All desrets are roads. Conclusions: 1. Some roads are rivers 2. Some roads are hills 3. Some deserts are hills
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