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.

Question

Question

This question was previously asked in

SSC CGL 2023 Tier-I Official Paper (Held On: 26 Jul 2023 Shift 3)

Answer 1

The least possible Venn diagram for the given statements is as shown below :

F1 Savita SSC 16-2-24 D34

Conclusions:

I. All tuberculosis are curable →True (As All tuberculosis are diseases and All diseases are curable so, All tuberculosis are curable is true)

II. Some cancers are tuberculosis → False (As All cancers are diseases and All tuberculosis are diseases so, Some cancers are tuberculosis is false)

III. All cancers are curable → True (As All cancers are diseases and All diseases are curable so, All cancers are curable is true)

Hence, the correct answer is "Only conclusions I and III follow".