ReasoningAbility.com

Possibility Case: Worksheet 10 - Expert Practice Possibility Case EXPERT

Ready to master Possibility Case? This accuracy focus 👑 worksheet (10/10) presents 20 expert-level challenges. Focus area: application-based learning. Learn to solve possibility case reasoning tricks, handle fast possibility case solving, and perfect possibility case mastery with our step-by-step solutions.

📝 Worksheet 10 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Expert level

What you'll learn in this worksheet:
Your progress through Possibility Case
Worksheet 10 of 10 (100% complete)

Question 1

Statements: All devices are machines. No machines is a equipment. Conclusions: I. No devices is a equipment. II. All equipment being devices is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All devices are machines → devices inside machines
Step 2: No machines is a equipment → machines and equipment completely separate
Step 3: Since devices inside machines, devices also doesn't touch equipment

Analytical Method:
All devices are machines (A) + No machines is a equipment (E) = A + E = E
Result: No devices is a equipment

Checking Conclusions:

✓ Conclusion I: "No devices is a equipment" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All equipment being devices is a possibility"
Since definite negative exists ("No devices is a equipment"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 2

Statements: All equipment are instruments. No instruments is a tools. Conclusions: I. No equipment is a tools. II. All tools being equipment is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All equipment are instruments → equipment inside instruments
Step 2: No instruments is a tools → instruments and tools completely separate
Step 3: Since equipment inside instruments, equipment also doesn't touch tools

Analytical Method:
All equipment are instruments (A) + No instruments is a tools (E) = A + E = E
Result: No equipment is a tools

Checking Conclusions:

✓ Conclusion I: "No equipment is a tools" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All tools being equipment is a possibility"
Since definite negative exists ("No equipment is a tools"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 3

Statements: All strategies are concepts. No concepts is a models. Conclusions: I. No strategies is a models. II. All models being strategies is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All strategies are concepts → strategies inside concepts
Step 2: No concepts is a models → concepts and models completely separate
Step 3: Since strategies inside concepts, strategies also doesn't touch models

Analytical Method:
All strategies are concepts (A) + No concepts is a models (E) = A + E = E
Result: No strategies is a models

Checking Conclusions:

✓ Conclusion I: "No strategies is a models" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All models being strategies is a possibility"
Since definite negative exists ("No strategies is a models"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 4

Statements: All rare are efficient. No efficient is a valuable. Conclusions: I. No rare is a valuable. II. All valuable being rare is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All rare are efficient → rare inside efficient
Step 2: No efficient is a valuable → efficient and valuable completely separate
Step 3: Since rare inside efficient, rare also doesn't touch valuable

Analytical Method:
All rare are efficient (A) + No efficient is a valuable (E) = A + E = E
Result: No rare is a valuable

Checking Conclusions:

✓ Conclusion I: "No rare is a valuable" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All valuable being rare is a possibility"
Since definite negative exists ("No rare is a valuable"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 5

Statements: All patterns are processes. No processes is a methods. Conclusions: I. No patterns is a methods. II. All methods being patterns is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All patterns are processes → patterns inside processes
Step 2: No processes is a methods → processes and methods completely separate
Step 3: Since patterns inside processes, patterns also doesn't touch methods

Analytical Method:
All patterns are processes (A) + No processes is a methods (E) = A + E = E
Result: No patterns is a methods

Checking Conclusions:

✓ Conclusion I: "No patterns is a methods" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All methods being patterns is a possibility"
Since definite negative exists ("No patterns is a methods"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 6

Statements: All vehicles are devices. No devices is a utensils. Conclusions: I. No vehicles is a utensils. II. All utensils being vehicles is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All vehicles are devices → vehicles inside devices
Step 2: No devices is a utensils → devices and utensils completely separate
Step 3: Since vehicles inside devices, vehicles also doesn't touch utensils

Analytical Method:
All vehicles are devices (A) + No devices is a utensils (E) = A + E = E
Result: No vehicles is a utensils

Checking Conclusions:

✓ Conclusion I: "No vehicles is a utensils" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All utensils being vehicles is a possibility"
Since definite negative exists ("No vehicles is a utensils"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 7

Statements: All essential are sustainable. No sustainable is a reliable. Conclusions: I. No essential is a reliable. II. All reliable being essential is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All essential are sustainable → essential inside sustainable
Step 2: No sustainable is a reliable → sustainable and reliable completely separate
Step 3: Since essential inside sustainable, essential also doesn't touch reliable

Analytical Method:
All essential are sustainable (A) + No sustainable is a reliable (E) = A + E = E
Result: No essential is a reliable

Checking Conclusions:

✓ Conclusion I: "No essential is a reliable" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All reliable being essential is a possibility"
Since definite negative exists ("No essential is a reliable"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 8

Statements: All appliances are equipment. No equipment is a utensils. Conclusions: I. No appliances is a utensils. II. All utensils being appliances is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All appliances are equipment → appliances inside equipment
Step 2: No equipment is a utensils → equipment and utensils completely separate
Step 3: Since appliances inside equipment, appliances also doesn't touch utensils

Analytical Method:
All appliances are equipment (A) + No equipment is a utensils (E) = A + E = E
Result: No appliances is a utensils

Checking Conclusions:

✓ Conclusion I: "No appliances is a utensils" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All utensils being appliances is a possibility"
Since definite negative exists ("No appliances is a utensils"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 9

Statements: All structures are models. No models is a principles. Conclusions: I. No structures is a principles. II. All principles being structures is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All structures are models → structures inside models
Step 2: No models is a principles → models and principles completely separate
Step 3: Since structures inside models, structures also doesn't touch principles

Analytical Method:
All structures are models (A) + No models is a principles (E) = A + E = E
Result: No structures is a principles

Checking Conclusions:

✓ Conclusion I: "No structures is a principles" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All principles being structures is a possibility"
Since definite negative exists ("No structures is a principles"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 10

Statements: All principles are patterns. No patterns is a models. Conclusions: I. No principles is a models. II. All models being principles is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All principles are patterns → principles inside patterns
Step 2: No patterns is a models → patterns and models completely separate
Step 3: Since principles inside patterns, principles also doesn't touch models

Analytical Method:
All principles are patterns (A) + No patterns is a models (E) = A + E = E
Result: No principles is a models

Checking Conclusions:

✓ Conclusion I: "No principles is a models" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All models being principles is a possibility"
Since definite negative exists ("No principles is a models"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 11

Statements: All nocturnal are domestic. No domestic is a cold-blooded. Conclusions: I. No nocturnal is a cold-blooded. II. All cold-blooded being nocturnal is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All nocturnal are domestic → nocturnal inside domestic
Step 2: No domestic is a cold-blooded → domestic and cold-blooded completely separate
Step 3: Since nocturnal inside domestic, nocturnal also doesn't touch cold-blooded

Analytical Method:
All nocturnal are domestic (A) + No domestic is a cold-blooded (E) = A + E = E
Result: No nocturnal is a cold-blooded

Checking Conclusions:

✓ Conclusion I: "No nocturnal is a cold-blooded" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All cold-blooded being nocturnal is a possibility"
Since definite negative exists ("No nocturnal is a cold-blooded"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 12

Statements: All scientists are writers. No writers is a managers. Conclusions: I. No scientists is a managers. II. All managers being scientists is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All scientists are writers → scientists inside writers
Step 2: No writers is a managers → writers and managers completely separate
Step 3: Since scientists inside writers, scientists also doesn't touch managers

Analytical Method:
All scientists are writers (A) + No writers is a managers (E) = A + E = E
Result: No scientists is a managers

Checking Conclusions:

✓ Conclusion I: "No scientists is a managers" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All managers being scientists is a possibility"
Since definite negative exists ("No scientists is a managers"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 13

Statements: All methods are principles. No principles is a theories. Conclusions: I. No methods is a theories. II. All theories being methods is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All methods are principles → methods inside principles
Step 2: No principles is a theories → principles and theories completely separate
Step 3: Since methods inside principles, methods also doesn't touch theories

Analytical Method:
All methods are principles (A) + No principles is a theories (E) = A + E = E
Result: No methods is a theories

Checking Conclusions:

✓ Conclusion I: "No methods is a theories" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All theories being methods is a possibility"
Since definite negative exists ("No methods is a theories"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 14

Statements: All artists are athletes. No athletes is a engineers. Conclusions: I. No artists is a engineers. II. All engineers being artists is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All artists are athletes → artists inside athletes
Step 2: No athletes is a engineers → athletes and engineers completely separate
Step 3: Since artists inside athletes, artists also doesn't touch engineers

Analytical Method:
All artists are athletes (A) + No athletes is a engineers (E) = A + E = E
Result: No artists is a engineers

Checking Conclusions:

✓ Conclusion I: "No artists is a engineers" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All engineers being artists is a possibility"
Since definite negative exists ("No artists is a engineers"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 15

Statements: All structures are systems. No systems is a strategies. Conclusions: I. No structures is a strategies. II. All strategies being structures is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All structures are systems → structures inside systems
Step 2: No systems is a strategies → systems and strategies completely separate
Step 3: Since structures inside systems, structures also doesn't touch strategies

Analytical Method:
All structures are systems (A) + No systems is a strategies (E) = A + E = E
Result: No structures is a strategies

Checking Conclusions:

✓ Conclusion I: "No structures is a strategies" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All strategies being structures is a possibility"
Since definite negative exists ("No structures is a strategies"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 16

Statements: All equipment are machines. No machines is a tools. Conclusions: I. No equipment is a tools. II. All tools being equipment is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All equipment are machines → equipment inside machines
Step 2: No machines is a tools → machines and tools completely separate
Step 3: Since equipment inside machines, equipment also doesn't touch tools

Analytical Method:
All equipment are machines (A) + No machines is a tools (E) = A + E = E
Result: No equipment is a tools

Checking Conclusions:

✓ Conclusion I: "No equipment is a tools" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All tools being equipment is a possibility"
Since definite negative exists ("No equipment is a tools"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 17

Statements: All doctors are artists. No artists is a pilots. Conclusions: I. No doctors is a pilots. II. All pilots being doctors is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All doctors are artists → doctors inside artists
Step 2: No artists is a pilots → artists and pilots completely separate
Step 3: Since doctors inside artists, doctors also doesn't touch pilots

Analytical Method:
All doctors are artists (A) + No artists is a pilots (E) = A + E = E
Result: No doctors is a pilots

Checking Conclusions:

✓ Conclusion I: "No doctors is a pilots" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All pilots being doctors is a possibility"
Since definite negative exists ("No doctors is a pilots"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 18

Statements: All concepts are processes. No processes is a systems. Conclusions: I. No concepts is a systems. II. All systems being concepts is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All concepts are processes → concepts inside processes
Step 2: No processes is a systems → processes and systems completely separate
Step 3: Since concepts inside processes, concepts also doesn't touch systems

Analytical Method:
All concepts are processes (A) + No processes is a systems (E) = A + E = E
Result: No concepts is a systems

Checking Conclusions:

✓ Conclusion I: "No concepts is a systems" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All systems being concepts is a possibility"
Since definite negative exists ("No concepts is a systems"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 19

Statements: All theories are frameworks. No frameworks is a structures. Conclusions: I. No theories is a structures. II. All structures being theories is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All theories are frameworks → theories inside frameworks
Step 2: No frameworks is a structures → frameworks and structures completely separate
Step 3: Since theories inside frameworks, theories also doesn't touch structures

Analytical Method:
All theories are frameworks (A) + No frameworks is a structures (E) = A + E = E
Result: No theories is a structures

Checking Conclusions:

✓ Conclusion I: "No theories is a structures" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All structures being theories is a possibility"
Since definite negative exists ("No theories is a structures"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows

Question 20

Statements: All amphibians are vertebrates. No vertebrates is a wild. Conclusions: I. No amphibians is a wild. II. All wild being amphibians is a possibility.
Definite Conclusion Analysis:

Venn Diagram:
Step 1: All amphibians are vertebrates → amphibians inside vertebrates
Step 2: No vertebrates is a wild → vertebrates and wild completely separate
Step 3: Since amphibians inside vertebrates, amphibians also doesn't touch wild

Analytical Method:
All amphibians are vertebrates (A) + No vertebrates is a wild (E) = A + E = E
Result: No amphibians is a wild

Checking Conclusions:

✓ Conclusion I: "No amphibians is a wild" - DEFINITE CONCLUSION - FOLLOWS

✗ Conclusion II: "All wild being amphibians is a possibility"
Since definite negative exists ("No amphibians is a wild"), this possibility is IMPOSSIBLE
DOES NOT FOLLOW

Important Rule: When definite negative conclusion exists between terms, positive possibility becomes FALSE.

Answer: Only conclusion I follows
Previous Worksheet