Solution:

The watch on the left is a toy. The minute arm is too long, so it can't pass around the face when it moves.

Solution:

The baby

Solution:

The blazer from man3 is on the boss's chair. So he is the boss.

Solution:

The man is dead and not mute.

Solution:

The Letter L

Solution:

13 + 11 + 6 = 30
(We can get 6 by reversing the 9)

Solution:

He was a newborn baby boy.

Solution:

In a clock.

Explanation:
1300 + 20 = 1:00PM + 20 minutes = 1:20 PM

1400 - 40 = 2:00PM - 40 minutes = 1:20 PM

Solution:

C

Explanation:
It Seems, the water level might be even in all the glasses, but what will happened if we remove the objects from the glasses. When you put an object in water, it will displace the water with the mass of the object Hence, the glass that contains the object with the least amount of weight will have the most water in it.

Even though we might not know the exact weight of all those four objects, we can all agree, that the paper clip weighs the least and hence will displace the minimum water.

Solution:

The girl was standing on the bottom ladder. Hence no injury.