In a town, there are four houses located at different distances from each other. Following are the distances:

The third house is 60 meters apart from the first house.
The fourth house is 40 meters apart from the second house.
The third house is 10 meters nearer to the fourth house than it is to the second house.

Can you find out the distance between the fourth and the first house?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Can you find out the number of the parking space in which the car is parked?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

A sundial has the fewest moving parts of any timepiece. Which has the most?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

What has no start, end, or centre?

What has to be broken before you can use it?

It belongs to you, but other people use it more than you do. What is it?