T.S.Jain Solutions for Exercise 1: EXERCISE

In this question, two statements and four conclusions I, II, III and IV are given. The given statement may be contrary to the universal opinion, even then you have to assume them as true. Then decide which conclusion(s) on basis of given statements is/are logically valid.

Statements: Some men are strong. All men are weak.

Conclusions:

1. Some strong (things) are men.
2. All weak (things) are men.
3. Some weak (things) are strong.
4. All the strong are men. 

In this question, two statements and four conclusions I, II, III and IV are given. The given statement may be contrary to the universal opinion, even then you have to assume them as true. Then decide which conclusion(s) on basis of given statements is/are logically valid.

Statements: Some forgeries are honest. All gentlemen are honest.

Conclusions:

1. Some honest (men) are forgeries.
2. Some honest (men) are gentle.
3. Some gentle (men) are forgeries.
4. Some forgery are gentle.

the following question, two statements and four conclusions I, II, III and IV are given under them. The given statement may be contrary to the universal opinion, even then you have to assume them as true. Then decide which conclusion(s) on basis of given statements is/are logically valid.

If the given statement – "All poor people are not beggars" is taken to be true, which one of the following statements can be completely true?

the following question, two statements and four conclusions I, II, III and IV are given under them. The given statement may be contrary to the universal opinion, even then you have to assume them as true. Then decide which conclusion(s) on basis of given statements is/are logically valid.

If the given statement $—$ "Some gentle people are not bad saint" is taken to be true, which one of the following statements can be completely true ?

The question below is given statements followed by four conclusions numbered I, II, III and IV. You have to assume everything in the statement to be true, then consider the two conclusions together and decide which of them logically follows beyond a reasonable doubt from the information given in the statement.

Statements:
Some sages are saints.
Some saints are beggars.
Some kings are beggars.

Conclusions:
I. Some saints are sages. 
II. Some beggars are saints.
III. Some beggars are kings.
IV. Some kings are sages.

In this question, two statements and four conclusions I, II, III and IV are given. The given statement may be contrary to the universal opinion, even then you have to assume them as true. Then decide which conclusion(s) on basis of given statements is/are logically valid.

Statements: All kings are emperors. Some emperors are soldiers. All soldiers are administrators.

Conclusions:

1. Some administrators are kings.
2. No administrator is king.
3. Some emperors are adminstrators.
4. All soldiers are emperors.

In this question, two statements and four conclusions I, II, III and IV are given. The given statement may be contrary to the universal opinion, even then you have to assume them as true. Then decide which conclusion(s) on basis of given statements is/are logically valid.

If the given statement 'All mangoes are tamarinds' is taken to be true, which one of the following statements is completely true?

The question below is given statements followed by four conclusions numbered I, II, III and IV. You have to assume everything in the statement to be true, then consider the two conclusions together and decide which of them logically follows beyond a reasonable doubt from the information given in the statement.

Statements: 
Some jacks are peepals.
Some peepals are apples.
No apple is ananas.

Conclusions:
I. No jack is ananas.
II. No peepal is ananas.
III. Some peepals are not ananas.
IV. Some jacks are apples.