Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

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

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

Replace the question mark with the correct number.

If your uncle’s sister is not your aunt, what relation is she to you?

A sundial has the fewest moving parts of any timepiece. Which has the most?