What number when divided in half becomes zero?

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

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

What question can you never answer yes to?

Can you find out which options fits best with the missing column?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

The LCD device should be able to tell the right time in the format HH:MM: SS in a 12-hour format. You can refer to the picture to get an idea. The device is a simple "level indicator" which has to be converted into a watch. How will you program it to work?

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?