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.

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Count the number of lines in the image below ?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

Mr Black, Mr Gray, and Mr White are fighting in a truel. They each get a gun and take turns shooting at each other until only one person is left. Mr Black, who hits his shot 1/3 of the time, gets to shoot first. Mr Gray, who hits his shot 2/3 of the time, gets to shoot next, assuming he is still alive. Mr White, who hits his shot all the time, shoots next, assuming he is also alive. The cycle repeats. If you are Mr Black, where should you shoot first for the highest chance of survival?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

Which city is three-fifths chick two third cat and 50% goat?

Can you count the number of squares in the given picture?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?