How can you write nineteen in a manner that if we take out one, it becomes twenty?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

The more it dries, the wetter it becomes. Can you tell what it is?

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?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Using Only Five 5's and any mathematical operator make sum as 37

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

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

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

What does this Rebus Picture mean?