Find the next number in the sequence

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

what does this below rebus represent identXQQQQQME

Give it food and it will live; give it water and it will die.

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

Imagine you are in a room with no windows or doors. How will you get out?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Four children having five rocks each were playing a game in which they had to throw the rock at a particular solid area in the water. Child 1- Succeeded in throwing three rocks at a solid area but one of the rocks sunk. Child 3 - His aim was so bad that all rocks got sunk. Child 4- He was awesome and none of the rocks got sunk. Child 2 - Was the winner but was struck by a rock in the head and died. Who killed Child 2?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

Why Aeroplane windows are round?