Can you replace the question mark with the correct number?

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

Find the missing number in the image below.

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

Find the Goldfish below the given Image.

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

If your uncle’s sister is not your aunt, what relation is she to you?