I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

After a heavy Thanksgiving meal, the night watchman went to work. In the morning, he told his boss he had dreamed that a saboteur planted a bomb in the factory and that he felt it was a warning. The boss promptly fired him. Worker confused, Why boss fire him?

What word is pronounced the same if you take away four of its five letters?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

What time is it when an elephant sits on a fence?

Identify the hidden meaning behind this picture?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?

You along with your friend are standing in front of two houses. Each of those houses inhabits a family with two children.

Your friend tells you the below two facts:
1) On your left is a family that has a boy who likes accounts but the other child loves science.
2) On the right is a family with a seven-year-old boy and a newborn baby.

You ask him, "Does either of the family have a girl?"

To this, he replies, "I am not quite sure. But can you guess that? If you are right, I will give you $500."

Which family do you think is likely to have a girl?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?