Statements Some mountains are hillocks Some mountains are rivers Some mountains

Statements : Some mountains are hillocks. Some mountains are rivers. Some mountains are valleys.

Conclusions :
I. All mountains are either hillocks or rivers or valleys.
II. No valley is river.
III. Some river are valleys.

A. None follows

B. Only I follows

C. Only either II or III follows

D. Only III follows

E. None of these

Answer: Option C

Solution (By Examveda Team)

Since each combination of premises shall contain two particular premises, no definite conclusion can be drawn. However, II and III are statements involving the extreme terms of the last two premises and form a complementary pair. Thus, either II or III follows.

Statements : All bags are cakes. All lamps are cakes.

Conclusions :
I. Some lamps are bags.
II. No lamp is bag.

A. Only conclusion I follows

B. Only conclusion II follows

C. Either I or II follows

D. Neither I nor II follows

E. Both I and II follow

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Statements : Some mountains are hillocks. Some mountains are rivers. Some mountains are valleys.

Conclusions :
I. All mountains are either hillocks or rivers or valleys.
II. No valley is river.
III. Some river are valleys.

Solution (By Examveda Team)

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