I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

What is black when you buy it, red when you use it, and gray when you throw it away?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

Which city is three-fifths chick two third cat and 50% goat?

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?

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

What does the below rebus riddle means?

What word begins and ends with an E, but has only one letter?

I can write cow in 13 letters.

Can You?