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

Vin Diesel is pulling a theft and has planned to run away with all the cash kept in the safe. But the only way to open the safe is the 13 character password. He has a set of five clues given to him by a trustworthy source.

Exactly two of the below statements are false.
The password is contained within this sentence.
The password is not in this hint.
The password is within only one of these statements.
At least one of the above statements is a lie.

Can you solve this picture maths equation?

How many triangles can you count in the figure given?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

Accidentally, two trains are running in the opposite direction and enter a tunnel that is 200 miles long. A supersonic bird that has fled the lab and taken shelter in the tunnel starts flying from one train towards the other at a speed of 1000 mph. As soon as it reaches the second train, he starts flying back to avoid collision and meets the first train again at the other end. The bird keeps flying to and fro till the trains collide with each other.

What is the total distance that the supersonic bird has traveled till the trains collided?