There is something which is always coming but never arrives?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

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 do you answer even though it never asks you questions?

You can see it everyday, But cannot touch it at will. What is it?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

What two things can you never eat for breakfast?