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

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

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?

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 ?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

How can you leave a room with two legs and return with six legs?

What is at the end of a rainbow?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

What do you answer even though it never asks you questions?

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