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Directions: Study the following questions carefully and choose the right answer:
1
Statements :        All posters are snakes.
                              No snake is a ladder.
                              All ladders are boards.

Conclusions :        I. All boards being snakes is a possibility.
                               II. No poster is a ladder.
» Explain it
B
No snake is a ladder (E) + All ladders are boards (A) = E + A = O* = Some boards are not posters. Hence, conclusion I does not follows.

Again, All posters are snakes (A) + No snake is a ladder (E) = A + E = E = No poster is a ladder. Hence, conclusion II follows.

Hence, option B is correct.

2
Statements : Some roses are white.
                       No rose is a yellow.
                       All white are lillies.

Conclusions : I. Some white are not yellow.
                       II. All roses being lillies is a possibility.
 
» Explain it
E
Some roses are white (I) + All white are lillies (A) = I + A = I = Some roses are lillies So, All roses being lillies is a possibility.
Hence, conclusions II follows.

Again, Some roses are white (I) conversion – Some white are roses (I) + No roses is a yellow (E) = I + E = O = Some white are not yellow. Hence, conclusion I follows.

Hence, option E is correct.

 
3
Statements :      All folders are books.
                            Some books are files.

Conclusions :      I. All files being folders is a possibility.
                             II. All books being files is a possibility.
» Explain it
E
There is no negative statement. Thus the possibilities exist in I and II. Hence, both the conclusion I and II follow.

Hencee, option E is correct.
4
Statements :      Some girls are young.
                            No young is a woman.

Conclusions :      I. Some women are not girls.
                            II. All women being girls is a possibility.
» Explain it
B
Some girls are young (I) + No young is a women (E) = I + E = O = Some girls are not women.

Hence, conclusion I does not follow. But the possibility in II exists. Thus, conclusion II follows.

Hence, option B is correct.

5
Statements :      Some pizzas are pasta.
                            All pastas are macaronis.
                            Some macaronis are pastries.

Conclusions :      I. All pizzas being macaronis is a possibility.
                             II. All pastas are pizzas.
» Explain it
A
There is no negative statement. So the possibility exists in I. Hence, conclusion I follows.

Again, Some pizzas are pastas – converse – Some pastas are pizzas. Hence, conclusion II does not follow.

Hence, option A is correct.