# Competitive Exams: Philosphy MCQs (Practice_Test 84 of 90)

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- Which one of the following sentences is not equivalent to the other three?
- Neither Humpty nor Dumpty will be selected
- Humpty and Dumpty will both not be selected
- Humpty and Dumpty will not both be selected
- It is not the case that either Humpty or

Dumpty be selected

- A is true statement and X, Y, Z are false statements then, consider the following statement forms
- [ (A-X) -Y] -Z
- (A-Y) - (A-Z)

Of these statement forms

- both are true
- both are false
- 1 is true and 2 is false
- 1 is false and 2 is true

- ‘Honesty is not a good policy’ does not logically imply which one of the following
- Either honesty is not a good policy or dishonest persons will be punished
- It is false that honesty is a good policy but dishonest persons are not punished
- If honesty is a good policy then dishonest persons will be punished
- Honesty is a good policy if and only if dishonest persons are punished

- There occurs an error in the truth-table given below: p q p-q ~p ~p-q (p-q) - (~p-q) T T T F T T T F T F T T F T F T F T F T F F F T In which row does the error occur?
- First row
- Second row
- Third row
- Fourth row

- Which of the following propositional forms are tautology?
- (X-Y) -Z
- (~A-P) - ~ (A. ~P)
- [~ (~P- ~Q) - (p Q) ] - { (P-Q) - [P- (p Q) ] }

Select the correct answer from the codes given below:

Codes:

- 1 and 4
- 2 and 3
- 2 and 4
- 1 and 3

- Given that [ (P-Q) (Q-R) .] - (R-P) is true if
- P is true, Q is true, R is true
- P is false, Q is false, R is false
- P is false, Q is true, R is false
- P is true, Q is false, R is false

Select the correct answer form the codes given below:

Codes:

- 1 alone
- 1 and 2
- 1,2 and 3
- 1,2, 3 and 4

- Indicate which one of the following is not a legitimate conclusion from ~ (P- ~Q)
- Q
- ~P
- Q-P
- ~Q

- Which one of the following can be deduced from (P- ~B) . [ (~P-C) (~B-D) .] ?
- C. D
- ~ (C. D)
- ~ (D-C)
- ~ (~D. ~C)

- Given the following proof of the argument:
- A-B
- B-C
- C-D
- ~D
- A-E/-E
- A-C
- A-D
- ~A
- E

Which of the following rules are used in deriving steps 6,7, 8 and 9 respectively (MP = Modus Ponens, MT = Modus Tollens, DS = Disjunctive Syllogism, HS Hypothetical Syllogism) ?

- MP, MPMT, MP
- MPMP, MT, DS
- HS, HS, MT, DS
- HS, HS, MT, MP

- The formal proof of validity of the given argument contains just two steps: M-N ~M. ~O/-N Which pair of the following rules are used in obtaining the conclusion?
- De Morgan՚s theorem, Modus Ponens
- Destructive dilemma, Disjunctive syllogism
- Simplification, Disjunctive syllogism
- Simplification, Modus Ponens

- Which of the following arguments are invalid?
- India will sign CTBT only if India is include in the group of Nuclear Powers. India does not sign CTBT. India will not be included in the group of Nuclear Powers.
- India will sign CTBT only if India is included in the group of Nuclear Powers. India is included in the group of Nuclear Powers. India will not sign CTBT.
- India sill sign CTBT only if India is included in the group of Nuclear Powers. India is not included in the group of Nuclear Powers. India will not sign CTBT.
- India will sign CTBT only if India is included in the group of Nuclear

Power, India signs CTBT. India will be included in the group of Nuclear Powers.

Select the correct answer from the codes given below:

Codes:

- 1 and 3
- 2,3 and 4
- 1 and 2
- 1,3 and 4

- Which pair/s of statements given below will yield valid arguments given the premise that: ‘Mini is at home or in the club’
- She is at home, therefore she is not in the club.
- She is in the club, therefore she is not at home.
- She is not in the club, therefore she is at home.
- She is not at home, therefore she is in the club

Select the correct answer from the codes given below:

Codes:

- 2 alone
- 3 and 4
- 1 alone
- 1 and 2

- Match List I with List II and select the correct answer using the codes given below the lists
List-I (Theses) List-II (Philosophers) - Value is entailed by natural properties
- A factual statement cannot entail a value conclusion
- Good is a supervenient property
- Value statements are-expressions of emotions

- Ayer
- Hare
- Hume
- Mill

- A
- B
- C
- D

- 3
- 4
- 2
- 1

- 4
- 3
- 1
- 2

- 4
- 3
- 2
- 1

- 3
- 4
- 1
- 2

- Which one of the following pairs is correctly matched?
- Similar moral principles do not exist in all societies
- Cultural Absolutism

- There is extreme variations in customs, manners, taboos, religions and so on, from culture to culture
- Cultural Relativism

- Freedom is compatible with determinism
- Hard Determinism

- There is no causality all
- Soft

Determinism