Questions

CBA – Collective Bargaining Agreement is the result of collective bargaining procedure. 

These agreements can be in one of the two forms: 

i.) Procedural agreement

ii.) Substantive agreement

Procedural agreements – They usually deal with the relationship between employees and employers to resolve individual and group issues. These are usually filed in the company’s rule book. 

Substantive agreements – This kind of an agreement deals with specific issues like basic pay, leave policy, bonus payment etc.

The logic in this puzzle is summing the result of [subtraction of upper two digits] & [addition of lower two digits] 

Hence, the result is  

(5 - 3) + (2 + 8) = 2 + 10 = 12.

Fiber-optic physical or wired connection is the fastest communication connection.

Albatross

The inside of the bulb being a vacuum, the outside air rushes in when the bulb is broken. The vibrations of the rushing air molecules produce the sound.