Three statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:

Some teachers are scientists.

All scientists are doctors.

All doctors are engineers.

Conclusions:

I. Some doctors are teachers.

II. Some engineers are teachers.

III. Some doctors are scientists.

Select the Venn diagram that best represents the relationship between the following classes.

Fairies, Mythical creatures, Unicorns

Three statements are followed by three conclusions numbered I, II and III. You have to consider these statements to be true, even if they seem to be at variance with commonly known facts. Decide which of the given conclusions logically follow(s) from the given statements.

Statements:

All tools are spanners.

Some spanners are utensils.

No spanner is an iron.

Conclusions:

(I) Some tools are irons.

(II) Some utensils are tools.

(III) Some utensils are not iron.

Three statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:

All cancers are diseases.

All tuberculosis are diseases.

All diseases are curable.

Conclusions:

I. All tuberculosis are curable.

II. Some cancers are tuberculosis.

III. All cancers are curable.