There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

A man dies of old age on his 25 birthday. How is this possible?

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?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

Solve the equation in the image by looking at the pattern closely.

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

What demands an answer, but asks no questions

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

You can hear me, but you can't touch or see me.

What am I?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?