Can you solve the below tricky visual equation?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Can you solve below mathematical equation?

2^1234 - 2^1233

Can you spot the hidden girl in the picture below?

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?