The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?

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 many bananas can you eat if your stomach is empty?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

I have branches, but no fruit, trunk or leaves. What am I?

What has a ring but no finger?

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

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

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

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?