Question

Statements: Some oceans are lakes.
Some ponds are rivers.
All rivers are lakes.
Conclusions: I. All oceans being rivers is a possibility.
II. Some lakes are not ponds is a possibility.

• A. if only conclusion I follows.
• B. if only conclusion II follows.
• C. if either conclusion I or conclusion II follows.
• D. if neither conclusion I nor conclusion II follows.
• E. if both conclusion I and conclusion II follow.

Answer 1

The correct option is E if both conclusion I and conclusion II follow.

There are two cases possible.

All oceans can be river.

This is a possibility.

Some lakes can not be ponds..

This is also a possibility not always correct.

Thus both conclusion I and II are correct.

Hence, Option E is correct.