Move four matchsticks to the below square to form three squares?

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?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

With the help clues provided in the image, can you find the 5 digit key?

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

Today is a very icy and cold morning in Newcastle. Mr Shearer, an office bus driver arrived to pick up the employees from the last stop. Shearer suddenly remembers that he needs to pick a newly joined 4miles to the north. Mr Shearer lost his direction compass, a few minutes later Shearer is able to figure that he is moving in the correct direction i.e. north. How did Shearer know that he is moving in the correct direction?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

What does this below rebus puzzle mean?

Can you place six X (crosses) in below board without making three in a row in any way ?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?