Can you replace the question mark with the correct number in the below table sequence?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

What is so fragile that saying its name breaks it?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

When can we add 2 to 11 and get 1 as the correct answer?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?

There is a place where if I stand up straight, I will still be considered sideways.

Find the next number in the series.
1 10 24 43 67 ?