In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

How many times in a given day, minutes and hour clock comes in a straight line ?

What breaks yet never falls, and what falls yet never breaks?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

I look at you, you look at me, I raise my right, you raise your left. What am I?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

Using eight eights and addition only, can you make 1000?