I look at you, you look at me, I raise my right, you raise your left. What am I?

_ _ _ IE _ _
_ _ _ IE _
_ _ IE _ _
_ _ IE _
_ _ _ _ IE

Like you see, some letters have gone missing from these words that contain the IE pair at some or the other place. The letters that will be used to fill the blanks are given below. Use them and form meaningful words. Can you do that?

A, C, D, F, H, K, L, M, N, N, O, R, R, S, S, S, T, T, Y and Y.

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

It is always ahead of me yet I can never see it. What is it?

What English word has three consecutive double 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?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

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

There is something which is always coming but never arrives?

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