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?

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

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

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

If it took eight men ten hours to build a wall, how long would it take four men to build it?

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?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Can you spot the man between the coffee bean in the picture below ?