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?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

What is always in front of you but can’t be seen?

Find out the missing number in the picture attached:

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

Before Mount Everest was discovered, what was the highest mountain in the world?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?