What do you answer even though it never asks you questions?

Can you replace the question mark with the correct number in the below table sequence?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

Who always enjoys poor health?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

What does a man do only once in his lifetime, but women do once a year after they are 29?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.