Question

Statements: 1. All benches are desks.
2.Some desks are roads.
3.AII roads are pillars.
Conclusions: I. Some pillars are benches.
II. Some pillars are desks.
III. Some roads are benches.
IV. No pillar is bench.

• A. None follows
• B. Only either I or IV, and III follow
• C. Only either I or IV follows
• D. Only either I or IV, and II follow

Answer 1

The correct option is D Only either I or IV, and II follow

Statements:

1. All benches are desks.
2.Some desks are roads.
3.All roads are pillars.
Conclusions:

I. Some pillars are benches.
II. Some pillars are desks.
III. Some roads are benches.
IV. No pillar is bench.

Consider bench is a subset of desk and roads is a subset of pillars. These two sets intersect each other.

Therefore, if I is true then II follows or IV is true.

Answer is Option D