Discussion
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- Question
- Statement:
All desks are chairs.
All chairs are tables.
All tables are boxes.
All boxes are trunks
Conclusions:
I. Some trunks are tables.
II. All chairs are boxes.
III. Some boxes are desks.
IV. All desks are trunks.
Options- A. Only I, II and III follow
- B. Only I, II and IV follow
- C. Only II, III and IV follow
- D. All follow
- Correct Answer
- All follow
ExplanationAll tables are boxes + All boxes are trunks = A + A = A = All tables are ? trunks ? conversion Some trunks are tables (I) Hence I follows. All chairs are tables + All tables are boxes = A + A = A = All chairs are boxes Hence II follows. All desks are chairs + All chairs are boxes = A + A = A = All desks are boxes ? conversion ? some boxes are desks (I) Hence III follows. All desks are boxes + All boxes are trunks = A + A = A = All desks are trunks Hence IV follows.
- 1. Statement:
Some tyres are rains.
Some rains are flowers.
All flowers are jungles.
All jungles are tubes.
Conclusions:
I. Some jungles are tyres.
II. Some tubes are rains.
III. Some jungles are rains.
IV. Some tubes are flowers.
Options- A. Only I, II and III follow
- B. Only II, III and IV follow
- C. Only I, III and IV follow
- D. All follow Discuss
- 2. Statement:
All belts are rollers. Some rollers are wheels. All wheels are mats.
Some mats are cars.
Conclusions:
I. Some mats are rollers.
II. Some mats are belts.
III. Some cars are rollers.
IV. Some rollers are belts.
Options- A. Only I and II follow
- B. Only I, III and IV follow
- C. Only I and IV follow
- D. Only II, III and IV follow Discuss
- 3. Statement:
Some papers are lamps. Some lamps are bulbs. Some bulbs are tube. Some tubes are walls.
Conclusions:
I. Some walls are lamps.
II. Some bulbs are papers.
III. Some tubes are lamps.
IV. Some walls are papers.
Options- A. Only I and II follow
- B. Only III and IV follow
- C. Only I, III and IV follow
- D. All follow Discuss
- 4. Statement:
Some doors are handles. All handles are pins. Some pins are threats. All threats are clothes.
Conclusions:
I. Some cloths are pins.
II. Some pins are doors.
III. Some clothes are handles.
IV. Some clothes are doors.
Options- A. Only II and III follow
- B. Only I, II and IV follow
- C. Only II, III and IV follow
- D. All follow Discuss
- 5. Statement:
Some days are nights. Some nights are weeks. Some weeks are months. All months are years.
Conclusions:
I. Some years are nights.
II. Some years are days.
III. Some months are nights.
IV. Some years are weeks.
Options- A. Only I, II and III follow
- B. Only I, III and IV follow
- C. Only II, III and IV follow
- D. All follow Discuss
- 6. Statement:
Some birds are goats. Some goats are horses. Some horses are lions.
Some lions are tigers.
Conclusions:
I. Some tigers are goats.
II. No tiger is goat.
III. Some lions are birds.
IV. No lion is bird.
Options- A. Only either I or II follow
- B. Only either III or IV follows
- C. Only either I or II and either III or IV follow
- D. Only I and III follow Discuss
- 7. Statement:
All papers are bottles. All bottles are cups. Some cups are jugs.
Some jugs are plates.
Conclusions:
I. Some plates are cups.
II. Some plats are bottle.
III. Some cups are papers.
IV. Some bottles are papers.
Options- A. Only III and IV follow
- B. Only I and II follow
- C. Only I and III follow
- D. Only II and IV follow Discuss
- 8. Statement:
All bulbs are wires. No wire is cable. Some cables are brushes. All brushes are paints.
Conclusions:
I. Some paints are cables.
II. Some wires are bulbs
III. Some brushes are wires.
IV. Some cables are bulbs.
Options- A. None follow
- B. Only I & II follows
- C. Only II follow
- D. Only III follow Discuss
- 9. Statement:
All chairs are keys. All keys are balloons. Some balloons are mirrors.
Some mirrors are desks.
Conclusions:
I. Some desks are keys.
II. Some balloons are mirrors.
III. Some mirrors are balloons.
Options- A. Only I follow
- B. Only II follows
- C. Only III follow
- D. Only II and III follow Discuss
- 10. Statement:
Some drums are posters.
All posters are windows.
Some windows are tablets.
All tablets are books.
Conclusions:
I. Some windows are drums.
II. Some books are posters.
III. Some tablets are drums.
Options- A. None follows
- B. Only I follows
- C. Only II follow
- D. Only III follow Discuss
Syllogism problems
Search Results
Correct Answer: Only II, III and IV follow
Explanation:
All flowers are jungles + All jungles are tubes = A + A = A = All flowers are tubes ? conversion ? Some tubes are flowers (I) Hence Iv follows. Some rains are flowers + All flowers are tubes = I + A = I = Some rains are tubes ? conversion ? Some tubes are rains (I) Hence II follows. Some rains are flowers + All flowers are jungles = I + A = I = Some rains are jungles ? conversion ? Some jungles are rains (I) Hence III follows. Some tyres are rains + Some rains are jungles = A + I = No conclusion Hence I does not follow.
Correct Answer: Only I and IV follow
Explanation:
Some rollers are wheels + All wheels are mats = I + A = I = Some rollers are mats ? conversion ? Some mats are rollers (I) Hence I follows. Some rollers are mats + Some mats are cars = I + I = No conclusion Hence III does not follow. All belts are rollers (A) ? conversion ? Some rollers are belts(I) Hence IV follows. All belts are rollers + Some rollers are mats = I + A = No conclusion Hence II does not follow.
Correct Answer:
Explanation:
I-type statements can't be combined.
Correct Answer:
Explanation:
Some pins are threats + All threats are clothes = I + A = I = Some pins are clothes ? conversion ? Some clothes are pins (I) Hence I follows. Some doors are handles + All handles are pins = I + A = I = Some doors are pins ? conversion ? Some pins are doors (I) Hence II follows. All handles are pins + Some pins are clothes = I + A = No conclusion Hence III does not follow. Nor does IV follow consequently.
Correct Answer: Only I, III and IV follow
Explanation:
Some nights are weeks + All weeks are months = I + A = I = Some nights are month ? conversion ? Some months are nights (I) Hence III follows. = Some nights are month + All months are years = I + A = I Some nights are year ? conversion ? Some years are nights (I) Hence I follows. All weeks are months + All months are years = A + A = A = All weeks are years ? conversion ? Some years are weeks (I) Hence IV follows. Some days are nights + Some nights are years = I + I = No conclusion Hence II does not follow.
Correct Answer: Only either I or II and either III or IV follow
Explanation:
I- type statements can't be combined. However, II and II from a complementary I-E pair. So do III and IV Hence either I or II and either III or IV follows.
Correct Answer: Only III and IV follow
Explanation:
Some cups are jugs + Some jugs are plates. = I + I = No conclusion Hence I does not follow. Nor does II follow All papers are bottles + All bottles are cups = A + A = A = All papers are cups ? conversion ? Some cups are papers(I) Hence III follows. All papers are bottles (A) ? conversion ? Some bottle are papers (I) Hence IV follows.
Correct Answer: Only I & II follows
Explanation:
Some cables are brushes + All brushes are paints ? conversion ? Some paints are cables (I) Hence I follows. All bulbs are wires (A) ? conversion ? Some wires are bulbs (I) Hence II follows. No wire is cable + Some cables are brushes = I + E = O* = Some brushers are not wires Hence III does not follow. All bulbs is cable ? conversion ? No cable is bulb (E) Hence IV does not follow.
Correct Answer: Only II and III follow
Explanation:
All keys are balloons + Some balloons are mirrors = A + I = No conclusion Hence I does not follow. All chairs are keys + All keys are balloons = A + A = A = All chairs are balloons ? conversion ? Some balloons are chairs (I) Hence II follows. Some balloons are mirrors (I) ? conversion ? Some mirrors are balloons (I) Hence III follows.
Correct Answer: Only I follows
Explanation:
Some drums are posters + All posters are windows = I + A = I = Some drums are windows ? conversion ? Some windows are drums (I) Hence I follows. All posters are windows + Some windows are tablets = A + I = No conclusion Hence neither I or III follows.
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