Can you find a number that lies one third of the distance between 1/3 and 2/3?

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

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?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

Replace the question mark with the number below given a simple math problem.

How far can you walk into the woods?

What do you see in the image below

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

What has many teeth, but cannot bite?