One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24.

How can a man go eight days without sleep?

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

I taste better than I can smell. Who am I?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

What is the Surname of Barbie Doll?

What does this below rebus puzzle mean?

What has one letter and starts with an E?