How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

There are forty elephants and they have forty-fore heads. How can this be possible?

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

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

A bomb exploded in a room full of married couples and no one died. How?

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____