Statements: Some pens are books. Some books are pencils. Conclusions: Some pens

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Question
Statements: Some pens are books. Some books are pencils.

Conclusions:
1. Some pens are pencils.
2. Some pencils are pens.
3. All pencils are pens.
4. All books are pens.
Options
A. Only (1) and (3)
B. Only (2) and (4)
C. All the four
D. None of the four
E. Only (1)

Correct Answer

None of the four

Explanation

Statements: Some pens are books. Some books are pencils. Conclusions: Some pens are pencils. Some pe

Syllogism problems

Search Results

1. Statements: Some tables are T.V. Some T.V. are radios.

Conclusions:
1. Some tables are radios.
2. Some radios are tables.
3. All the radios are T.V.
4. All the T.V. are tables.
Options
A. Only (2) and (4)
B. Only (1) and (3)
C. Only (4)
D. Only (1) and (4)
E. None of the four.

2. Statements: All the phones are scales. All the scales are calculators.

Conclusions:
1. All the calculators are scales.
2. All the phones are calculators
3. All the scales are phones.
4. Some calculators are phones.
Options
A. Only (1) and (4)
B. Only (3) and (4)
C. Only (2) and (4)
D. Only (1) and (2)
E. Only (1) and (3)

3. Statements: All men are vertebrates. Some mammals are vertebrates.

Conclusions:
1. All men are mammals.
2. All mammals are men.
3. Some vertebrates are mammals.
4. All vertebrates are men.
Options
A. Only (4)
B. Only (2)
C. Only (3)
D. Only (1)
E. Only (1) and (3)

4. Statements: All green are blue. All blue are white.

Conclusions:
1. Some blue are green.
2. Some white are green.
3. Some green are not white.
4. All white are blue.
Options
A. Only (1) and (2)
B. Only (1) and (3)
C. Only (1) and (4)
D. Only (2) and (4)

5. Statements: No door is dog. All the dogs are cats.

Conclusions:
1. No door is cat.
2. No cat is door.
3. Some cats are dogs.
4. All the cats are dogs.
Options
A. Only (2) and (4)
B. Only (1) and (3)
C. Only (3) and (4)
D. Only (3)
E. All the four

6. Statements: All the goats are tigers. All the tigers are lions.

Conclusions:
1. All the goats are lions.
2. All the lions are goats.
3. Some lions are goats.
4. Some tigers are goats.
Options
A. All the four
B. Only (1), (2) and (3)
C. Only (1), (3) and (4)
D. Only (2), (3) and (4)

7. Statements: All the books are pencils. No pencil is eraser.

Conclusions:
1. All the pencils are books.
2. Some erasers are books.
3. No book is eraser.
4. Some books are erasers.
Options
A. Only (3)
B. Only (1) and (3)
C. Only (1) and (2)
D. Only (2) and (3)
E. Only (3) and (4)

8. Statements: All the research scholars are psychologists. Some psychologists are scientists.

Conclusions:
1. All the research scholars are scientists.
2. Some research scholars are scientists.
3. Some scientists are psychologists.
4. Some psychologists are research scholars.
Options
A. Only (3) and (4)
B. None of the four
C. All the four
D. Only (3)
E. Only (2) and (4)

9. Statements: All the locks are keys. All the keys are bats. Some watches are bats.

Conclusions:
1. Some bats are locks.
2. Some watches are keys.
3. All the keys are locks.
Options
A. Only (1) and (2)
B. Only (1)
C. Only (2)
D. Only (1) and (3)

10. Statements: Some keys are staplers. Some staplers are stickers. All the stickers are pens.

Conclusions:
1. Some pens are staplers.
2. Some stickers are keys.
3. No sticker is key.
4. Some staplers are keys.
Options
A. Only (1) and (2)
B. Only (2) and (4)
C. Only (2) and (3)
D. Only (1) and (4) and either (2) or (3)

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