Statements: Some participants are students.
                    Some students are boys.
Conclusions I. No boy is a participant.
                    II. All boys are participants.

Direction: In the following questions, the symbol @ , $, *, # and δ are used with the following meaning as illustrated below:
‘P $ Q’ means ‘P’ is not smaller than Q’.
‘P @ Q’ means ‘P is neither smaller than nor equal to Q’.
‘P # Q’ means ‘P is neither greater than nor equal to Q’.
‘P δ Q’ means ‘P is neither greater than nor smaller than Q’.
‘P * Q’ means ‘P is not greater than Q’.
Now in each of the following questions assuming the given statements to be true, find which of the four conclusion I, II , III and IV given below them is/are definitely true and given your answer accordingly.
Statements:
H@T, T#F, FδE, E*V
Conclusions:
I. V$F
II. E@T
III. H@V
IV. T#V
(A) Only I, II and III are true
(B) Only I, II and IV are true
(C) Only II, III and IV are true
(D) Only I, III and IV are true
(E) All I, II, III and IV are true

Statement : A large number of people die every year due to drinking polluted water during summer.
Courses of Action:
I. The Government should make adequate arrangements to provide safe drinking water to all its citizens.
II. The People should be educated about the dangers of drinking polluted water.

In the following question, one or two statements are given, followed by two conclusions. You have to consider that the statement is true even if it seems to be different from commonly known facts. You have to decide which of the given statements can definitely lead to correct conclusions.

Statement:
1. All players are educated.
2. All educated people are decent.
Conclusion:
(i) All players are decent.
(ii) All decent people are players.

Statements: 

Some boys are men. 

No man is black. 

Conclusion: 

I. Some boys are not black. 

II. Some men are boys. 

In this question relationships between different elements are shown in the statements. These statements are followed by two conclusions.
Statements K≤L≤M=N                
                   P≥O≥N      
Conclusions. I. K<P        
                     II. K=P

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

Statements:

I. Some X are M.

II. All W are X.

Conclusions:

I. Some M are not W.

II. No W is M.

III. Some M are not X.

Statement: 

All insects are dangerous. 

All machines are dangerous. 

Conclusion 

I. All dangerous are insects. 

II. All dangerous are machines. 

III. Some machines are insects.