What is both possible and impossible at the same time?

Can you identify the famous TV character from the rebus below?

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

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Find the next number in the series.
1 10 24 43 67 ?

What does below chemistry rebus means?

My location can be determined by the below rebus.
So where am i ?