What does this below rebus puzzle mean?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

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

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

Using Only Five 5's and any mathematical operator make sum as 37

In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set?

(2 + 6), (21 + 6), (58 + 6), (119 + 6), ___

What breaks yet never falls, and what falls yet never breaks?

What famous saying does this rebus mean?

COME SERVED <---
COME SERVED
COME SERVED
COME SERVED
COME SERVED

Can you think of any three-dimensional shape that comprises of exactly two surfaces?