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

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

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

What is the word or phrase?

Different lights make me strange by changing me into different sizes. What am I?

What will you call your mother's brother's brother-in-law?

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

Dwayne Johnson was running away with the loot from a heist in his car along with Vin Diesel. One tire was punctured and he dropped down to replace it. While changing the wheel, he dropped the four nuts that were holding the wheel and they fell into a drain. Vin Diesel gave him an idea using which they were able to drive till the rendezvous point.

What was the idea ?

What is full of holes but still holds water?

Rebus Puzzle Definition: A rebus is an illusion device that uses pictures to represent words or parts of words.
What does This Rebus Puzzle Identify?

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