What is the coolest letter in the alphabet?

What word does this rebus represent?

meta meta
meta meta

Before Mount Everest was discovered, what was the highest mountain in the world?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

Can you find out which options fits best with the missing column?

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

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