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

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

What part of Turkey has the most feathers?

One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.

I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

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