which one of the following is not correct?<br>1. If one of the premises is invalid, the argument is not true<br>2. An argument cannot be sound if one of the premise is false<br>3. If premises entail the conclusion then the argument will be valid<br>4. A deductive argument may be valid without being sound

Consider the following statements.
1. All valid arguments contain only true premises and a true conclusion.
2. Some valid arguments contain only false propositions - false premises and a true conclusion.
3. All valid arguments contain only false propositions all premises are false, conclusion is false as well.
Which of the above statements is correct?

A

Only 1

B

Only 1

C

Only 3

D

None of these

Consider the following statements
1. All valid arguments have only true premises.
2. A sound argument must be valid.
3. An argument with a false conclusion cannot be valid.
4. All arguments with true conclusion are valid.
Which of the statements given above is/are correct?

A

2 and 4

B

Only 4

C

1 and 2

D

3 and 4

Consider the following statements.
1. All valid arguments have only true premises.
2. A sound argument must be valid.
3. An argument with a false conclusion can't be valid.
4. All arguments with true conclusion are valid.
Which of the following statements is/are correct?

A

2 and 4

B

only 4

C

1 and 2

D

3 and 4

Deductive argument where conclusion is followed from the premise is called

A

valid

B

incorrect

C

probable

D

necessarily

The premise on which your conclusion is based is not valid.Choose the meaning of premise.

A

notion

B

promise

C

thesis

D

area

Consider the argument and decide which of the given assumptions is/are implicit. Argument : Use of cell phone is strictly prohibited on the college premises. Assumptions : 1. Students using phones on the college premises will be strictly punished. 2. No student is allowed to use a phone on college premises.

A

Only assumption 1 is implicit

B

Only assumption 2 is implicit

C

Both 1 and 2 are implicit

D

Neither 1 nor 2 is implicit

A deductive argument is valid if its premises

A

Do provide conclusive proof of its conclusion

B

Do provide empirical truth for its conclusion

C

Are true

D

None of the above

Consider the Assertion (A) and Reason (R) and select the correct answer:
Assertion (A) If one premise is particular, the conclusion must be particular.
Reason (R) (i) An affirmative particular has no distributed terms, and a negative particular has an only one.
(ii) The premises cannot both be particular and thus must differ in quantity.

A

A and R both are true but R (i) and (ii) correct explanations of A

B

A and R both are true but R (i) is correct explanation of A

C

A and R both are true but R (ii) is a correct explanation of A

D

A is true, but R (i) and (ii) are incorrect explanations of A

Propositions are
1. Gift made during marz-ul-maut to a heir is valid without the consent of other heirs under Sunnite law
2. Gift made during marz-ul-maut to a heir is valid without the consent of other heirs under Ithna Ashari law
3. Gift made during marz-ul-maut to a heir is valid only with the consent of other heirs, under Sunnite law
4. Gift made during marz-ul-maut to a heir is valid only with the consent of other heirs under the Shia law.
Which amongst the following is correct

A

1 is true 2-3-4 are false

B

1 & 2 are true 3 & 4 are false

C

2 & 3 are true 1 & 4 are false

D

3 & 4 are true 1 & 2 are false

PRINCIPLE: A contract is an agreement enforceable by law. All agreements are contracts if they are made with free consent by parties competent to contract for a lawful consideration and with a lawful object.
FACT: A, a 40-year-old businessman of sound mind, agrees to sell his bungalow worth 40 lakhs for 1 lakh. The agreement is:
(1) Invalid due to inadequate consideration
(2) Valid as there is lawful consideration
(3) Valid as A entered into it with free consent
(4) Valid because A has capacity to contract.

A

1 only

B

2 and 3 only

C

3 only

D

2, 3 and 4