SBI Clerk 10 Feb 2008

Four of the following live are alike in a certain way as regards their position in the above arrangement and so form a group. Which is the one that does not belong to that group ?

What will come in the place of the question mark (?) in the following series based on the above arrangement ?
P R J , # L 3 , 7 I 2 , @ O N , ?

If the above series is re-arranged in the reverse order, which will be the eleventh element to the left to the sixteenth element from the left end ?

How many such numbers are there in the above arrangement each of which is immediately preceded by a consonant and not immediately followed by a symbol ?

How many such symbols are there in the above arrangement each of which is immediately preceded by a number and immediately followed a consonant?

Statements :
All flowers are rooms.
Some rooms are windows.
All cards are windows.
Conclusions :
I. Some cards are flowers.
II. Some cards are rooms.
III. Some windows are flowers.
IV. All cards are rooms.

Statements
All males are wolves.
All owls are males.
All parrots are owls.
Conclusions :
I. All wolves Are owls.
II. All owls are wolves.
III. All parrots are wolves.
IV. All parrots are males.

Statements :
Some towers are windows. 
All windows are houses. 
Some houses are temples.
Conclusions :
I : Some towers are temples.
II : Some houses are towers.
III : Some temples are windows.

Statements :
No building is white.
All whites are oranges.
Some oranges are waters.
Conclusions :
I. No building is water.
II. No orange is a building.
III. Some oranges are whites.
IV. Some waters are building.

Statements
All mountains are rivers.
All rivers are lakes.
Conclusions
I. All mountains are lakes.
II. At least some lakes are rivers.