Find the next number in the sequence

1, 2, 6, 21, 88, __?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

How could a baby fall out of a twenty-story building onto the ground and live?

I cannot talk, but I always reply when spoken to. What am I?

O_er_t_o_

Complete the missing letters of the given word.

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

What is both possible and impossible at the same time?

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.

I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?