What is full of holes but still holds water?

Replace the question mark in the picture below.

Rectify the following equality 101 - 102 = 1 by moving just one digit.

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

A pregnant woman is preparing to name her seventh child. Her children's names so far are Dominique, Regis, Michelle, Fawn, Sophie, and Lara. What will she name her next child -- Jessica, Katie, Abby or Tilly?

A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If somehow, the weight on the bridge becomes more than that, it will break.

Now, the weight of the car is exactly 1500kg. At the midway, a bird comes and sits on the roof of the car. This bird weighs exactly 200 grams.
Can you tell if the bridge breaks at this point or not?

Which English verb becomes past tense just by rearranging the letters?

I organized a small get together at my home.
In the party , i have a barrel with some whiskey in it.

Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'.
'No, it's less than half full' Guest 2 replied.

I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?

What does this rebus mean?

O
N
C
E
TIME

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?