In order to complete the racing competition, the Mexico racetrack has to submit its top and the most famous three horses to win the competition. Due to an electrical storm, all the records are cleared and no one knows which horse holds the record. They all look identical and it becomes even more difficult to differentiate the horses. There are 25 horses in the Mexico racetrack. But there can be only five horses at a time on the track. What will the least number of races that can be conducted to find out the three fastest horses?

What is red and smells like blue paint?

I am white when I am dirty, and black when I am clean. What am I?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

Using eight eights and addition only, can you make 1000?

Where do you go to learn how to make ice cream?

What does it mean?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?