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Question : Directions: Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.
Statements:
I. All W are B.
II. All M are B.
Conclusions:
I. Some B are M.
II. All W are M.
III. All B are W.

Option 1: Only conclusion II follows

Option 2: Only conclusion I follows

Option 3: Only conclusions I and III follow

Option 4: None of the conclusions follow


Team Careers360 13th Jan, 2024
Answer (1)
Team Careers360 15th Jan, 2024

Correct Answer: Only conclusion I follows


Solution : The possible Venn diagram, according to the given statements is as follows –


Let's analyze the conclusions –
Conclusion (I): Some B are M – From the Venn diagram, it is evident that some parts of the circle representing B lie inside the circle representing M while some lie outside. Thus, it can be concluded that some B are M.
Conclusion (II): All W are M – From the Venn diagram, it is evident that there is no definite relation between W and M. Thus, this conclusion does not follow.
Conclusion (III): All B are W – From the Venn diagram, it is evident that some parts of the circle representing B lie inside the circle representing W while some lie outside. Thus, this conclusion does not follow.

So, the only conclusion I follows. Hence, the second option is correct.

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