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Question : Directions: 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 conclusions logically follow(s) from the statements.
Statements:
Some sounds are noises.
All noises are debates.
Some debates are conversations.
Conclusions:
I. No noise is a conversation.
II. At least some conversations are sounds.
III. Some sounds are debates.

Option 1: Only conclusions II and III follow

Option 2: Only conclusion II follows

Option 3: Only conclusions I and II follow

Option 4: Only conclusion III follows


Team Careers360 22nd Jan, 2024
Answer (1)
Team Careers360 24th Jan, 2024

Correct Answer: Only conclusion III follows


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

Let's analyse the conclusions –
Conclusion (I): No noise is a conversation – According to the Venn diagram, there is no definite relation between noise and conversation. So, no noise is a conversation is a false conclusion.
Conclusion (II): At least some conversations are sounds – According to the Venn diagram, there is no definite relation between conversations and sounds. Therefore, at least some conversations are sounds is a false conclusion.
Conclusion (III): Some sounds are debates – According to the Venn diagram, the circles of sound and debates overlap and have a part of their area in common. Therefore, some sounds are debates is a true conclusion.

Therefore, only conclusion III follows. Hence, the fourth option is correct.

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