Question

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 conclusion logically follow(s) from the statements.

Statements:

All threads are needles.

Some needles are brushes.

All needles are cupboards.

Conclusions:

I. Some brushes are cupboards.

II. All threads are cupboards.

III. All brushes are threads.

a. All conclusions follow
b. Only conclusions II and III follow
c. Only conclusions I and II follow
d. Only conclusions I and III follow

Answer 1

c. Only conclusions I and II follow

Explanation:

Statements

(A) All threads are needles.

(B) Some needles are brushes.

(C) All needles are cupboards.

Conclusions: Rationale

I. Some brushes are cupboards. Yes. Since B and C are true

II. All threads are cupboards. Yes. Since A, and then C

III. All brushes are threads. No, No evidence

a. All conclusions follow

b. Only conclusions II and III follow

c. Only conclusions I and II follow Agree

d. Only conclusions I and III follow