What has no start, end, or centre?

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?

Can you decipher the two rows to find the hidden word?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Prove that the below maths equation is true.

8 + 8 = 91

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?

Identify the hidden meaning behind this picture?