Can you replace the question mark with the correct number?

In The Image Below Which clock is the odd one out?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Which flower has two lips?

There were three women in all the swimming costumes!
One was happy and the other two were sad!
The happy one was crying and the sad ones were smiling.
Why was this?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

What is the next number in this matchsticks series riddle?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?