Why do people go to bed?

What demands an answer, but asks no questions

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

What number should come in place of the question mark below?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

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