f you were running a race, and you passed the person in 2nd place, what place would you be in now?

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?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

What am I?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

If 1+9+8=1, what is 2+8+9?