The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

What goes up but never comes down?

Mr. Buttons was all set to go to the village of Buttonland to meet his friend. So, he packed his bags and left for the village at 5 in the morning. Upon travelling on a road for miles, he came across a point where the road diverged into two. He was confused on which road to take. He gazed around and he saw two owls sitting on a branch. He thought he could ask for directions for the village from the two owls. So he went to the tree. There he saw a sign which read, "One owl always lies, and one is always truthful. They both fly away if you ask them more than 1 question."
Mr. Buttons was caught in the dilemma of what to ask? And from which owl to ask, since he only had one question. What should Mr. Buttons ask?

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

Replace the question mark with the correct number below.

What is full of holes but still holds water?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

Solve below rebus puzzle?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?