What goes up but never comes down?

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

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

What is the next number?

77, 49, 36, 18 ?

why number 8549176320 is one of a kind?

I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?