What word does this rebus represent?

meta meta
meta meta

Who is that with a neck and no head, two arms and no hands? What is it?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.