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?

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 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

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

A

2 and 3

B

Only 1

C

Only 4

D

1, 2 and 4

Directions : Following question consists of a statement followed by four arguments I, II, III and IV. You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument.

Statement : Should all those who are convicted for heinous crimes like murder or rape, beyond all reasonable doubts be given capital punishment or death penalty?

Arguments :
I. No. The death penalty should be given only in very rare and exceptional cases.
II. Yes. This is the only way to punish such people who take others' lives or indulge in inhuman activities.
III. Yes. Such severe punishments only will make people refrain from such heinous acts and the society will be safer.
IV. No. Those who are repentant for the crime they committed should be given a chance to improve and lead a normal life.

A

Only II and IV are strong

B

All are strong

C

Only III is strong

D

Only II and III are strong

E

Only I, II and III are strong

In the question a statement is given, followed by two arguments, I and II. You have to consider the statement to be true even if it seems to be atvariance from commonly known facts. You have to decide which of the given arguments, if any, is a strong argument. Statement : Should mango export be banned to bring down domestic prices? Argument I : Yes, environmentalists and dieticians too encourage eating only local fruits.
Argument II : No, exports bring in valuable foreign currency.

A

if only argument I is strong.

B

if only argument II is strong.

C

if both I and II are strong.

D

if neither I nor II is strong.

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement I:
All notebooks are diaries
Statement II:
All books are notebooks

Conclusion I:
All diaries are books
Conclusion II:
All books are diaries

A

Only conclusion I follows

B

Only conclusion II follows

C

Both conclusions I and II follow

D

Neither conclusion I nor conclusion II follows

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement I: All brushes are brooms Statement II: All mops are brushes Conclusion I: All brooms are mops Conclusion II: All mops are brooms

A

Only conclusion I follows

B

Only conclusion II follows

C

Both conclusions I and II follow

D

Neither conclusion I nor conclusion II follows

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement I: All pictures are photographs Statement II: All paintings are pictures Conclusion I: All photographs are paintings Conclusion II: All paintings are photographs

A

Only conclusion I follows

B

Only conclusion II follows

C

Both conclusions I and II follow

D

Neither conclusion I nor conclusion II follows

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to beat variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement I: All threads are strings Statement II: All fibres are threads Conclusion I: All strings are fibres Conclusion II: All fibres are strings

A

Only conclusion I follows

B

Only conclusion II follows

C

Both conclusions I and II follow

D

Neither conclusion I nor conclusion II follows

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement I: All watches are ornaments Statement II: All clocks are watches Conclusion I: All ornaments are clocks Conclusion II: All clocks are ornaments

A

Only conclusion I follows

B

Only conclusion II follows

C

Both conclusions I and II follow

D

Neither conclusion I nor conclusion II follows