What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

Can you make a fire with just a single stick?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

500 women soldiers are arranged in an array of ten rows and fifty columns in accordance with their respective heights. Now, the tallest woman from each row is asked to move out in the front. From them, the shortest one is labelled as Alpha. They are then asked to resume their original position.

Now, the shortest woman in each column is asked to come out in front. The tallest among them is labelled as Beta.

Can you find out if Alpha will be taller or Beta?

What occurs twice in a week, once in a year but never in a day?