If six children and two dogs were under an umbrella, how come none of them got wet?

How many triangles can you count in the figure given?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

What is always in front of you but can’t be seen?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

What goes up but never comes down?

How many triangles are there on the puzzle below?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

Decode below rebus
D
N
A
T
S , D

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.