Question
Download Solution PDFBelow are given three conclusions followed by five statements. For each question, mark out an appropriate answer choice that you think is correct.
Conclusions:
I. All machinery being generator is a possibility.
II. No machinery is refrigerator.
III. Some AC are machinery is a possibility.
Statements:
1. All machinery are cooler. No cooler is generator. Some refrigerator are generator. Some generator are AC.
2. No machinery is generator. No cooler is refrigerator. Some generator are AC. Some refrigerator are AC.
3. All machinery are cooler. All cooler are refrigerator. Some refrigerator are generator. Some generator are AC. Some AC are TV.
4. All machinery are cooler. No cooler is refrigerator. All refrigerator are generator. Some generator are AC. Some AC are not TV.
5. Some machinery are not cooler. All cooler are refrigerator. Some refrigerator are not generator. Some generator are AC. Some AC are TV.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF1. All machinery are cooler. No cooler is generator. Some refrigerator are generator. Some generator are AC.
Conclusions:
I. All machinery being generator is a possibility → False (as all machinery is cooler and no cooler is generator)
II. No machinery is refrigerator → False (as some part of machinery can be refrigerator)
III. Some AC are machinery is a possibility → True
2. No machinery is generator. No cooler is refrigerator. Some generator are AC. Some refrigerator are AC.
Conclusions:
I. All machinery being generator is a possibility → False (as no machinery is generator)
II. No machinery is refrigerator → False (as no definite relation exists)
III. Some AC are machinery is a possibility → True (possibility is shown as below)
3. All machinery are cooler. All cooler are refrigerator. Some refrigerator are generator. Some generator are AC. Some AC are TV.
Conclusions:
I. All machinery being generator is a possibility → True (possibility is shown as below)
II. No machinery is refrigerator → False (as no negative relation exists between machinery and refrigerator)
III. Some AC are machinery is a possibility → True (possibility is shown as below)
4. All machinery are cooler. No cooler is refrigerator. All refrigerator are generator. Some generator are AC. Some AC are not TV.
Conclusions:
I. All machinery being generator is a possibility → True
II. No machinery is refrigerator → True (as all machinery are cooler and no cooler is refrigerator)
III. Some AC are machinery is a possibility → True (possibility is shown as below)
5. Some machinery are not cooler. All cooler are refrigerator. Some refrigerator are not generator. Some generator are AC. Some AC are TV.
Conclusions:
I. All machinery being generator is a possibility → True
II. No machinery is refrigerator → False (as some part of machinery is not cooler and all cooler are refrigerator. But, some part of machinery can be refrigerator)
III. Some AC are machinery is a possibility → True
Hence, only statement 4 is true for the given conclusions.
Last updated on Jul 2, 2025
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