Can you replace the question mark with the correct number?

You need to remove two matchsticks to make the below equation true. Can you do it ?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

Before Mount Everest was discovered, what was the highest mountain in the world?

A number with an interesting property:

When I divide it by 2, the remainder is 1.
When I divide it by 3, the remainder is 2.
When I divide it by 4, the remainder is 3.
When I divide it by 5, the remainder is 4.
When I divide it by 6, the remainder is 5.
When I divide it by 7, the remainder is 6.
When I divide it by 8, the remainder is 7.
When I divide it by 9, the remainder is 8.
When I divide it by 10, the remainder is 9.

It's not a small number, but it's not really big, either.
When I looked for a smaller number with this property I couldn't find one.

Can you find it?

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

Rearrange the letters in "new door" to make one word.

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?