By using 'because' continuously three times, can you make an English statement ?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Which number should replace the question mark?

What is black when you buy it, red when you use it, and gray when you throw it away?

What makes this number unique: 8,549,176,320?