Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

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

If a wheel has 54 spokes, how many spaces are there between the spokes?

Decode this picture on T-Shirt and tell what it says ?

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

Can you tell a 3D object that has just two surfaces?

There was a blind beggar living on the footpath of a street. Suddenly one day, the beggar's brother died. What was the relation of the blind beggar with the person who died?

PS: Brother is not the answer.

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

What two things can you never eat for breakfast?

I can write cow in 13 letters.

Can You?