To find the total weight of the four containers, we will add the weights of Container A, Container B, Container C, and Container D.
The weight of Container A is 3 kgs.
The weight of Container B is 5 kgs.
The weight of Container C is 3.5 kgs.
The weight of Container D is 2.75 kgs.
Now, let's add them together:
3 + 5 + 3.5 + 2.75 = 14.25
Therefore, the total weight of these four containers is 14.25 kgs.
The correct choice is Option E) 14.25 kgs .