Question

Choose the correct option about conclusion drawn from the statements given below

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 1

The correct option is E None of these.

Refer to the image.

All mountains are either hillocks or rivers or valleys...... false.

No valley is a river. ............Maybe or maybe not. so can not be true always.

Some rivers are valleys. ............maybe or maybe not. so, can not be true always.

So Option E.