There is something which is always coming but never arrives?

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

What word is pronounced the same if you take away four of its five letters?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

What two things can you never eat for breakfast?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

It belongs to you, but other people use it more than you do. What is it?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?