Can you fill the blank with the correct number?

6 30 870 756030 _____

Can you count the number of squares in the given picture?

What is the coolest letter in the alphabet?

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.

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

You need to arrange three 7 and mathematical symbols to form number 1?

I have eight fingers and two thumbs but I do not live. What Am I?

Which fur should we be getting from the Lion?

Replace the question mark with the number below given a simple math problem.

I’m tall when I’m young, and I’m short when I’m old. What am I?