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

What is the riddle which can be asked all day with a different correct answer each time.

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

How many times do a clock's hands overlap in a day ?

I shave every day, but my beard stays the same. What am I?

What goes up but never comes down?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?