John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

Can you Find and name the hidden bird in the picture below ?

Can you write down eight eights so that they add up to one thousand?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

What is the end of everything?

Can you count the number of triangles in the picture below?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?