Complete the table series riddle by finding the number that can replace "??".

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

How do you go from 98 to 720 using just one letter?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Count the number of triangles in the picture below:

On a windy rainy night , I was driving in my car.
When i reach the bus stand , i see three people waiting for the bus.

1. An old lady who needs an immediate medical attention
2. My Best Friend
3. Girl whom i love from childhood

My car is a two seat, so can you tell me , what i have done in this situation ?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.