What does this mathematical rebus means ?

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?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Count the number of balls in picture below:

What does Alexander the Great and Winnie the Pooh have in common?

John and his team plan to rob a safe. They got just one chance to break the code else the local police will be informed. Below are clues:
A) Exactly one number is perfectly placed: 9 8 1
B) Everything is incorrect: 9 2 4
C) Two numbers are part of the code of the safe but are wrongly placed: 0 9 3
D) One number is part of the code of the safe but is wrongly placed: 1 4 7
E) One number is part of the code of the safe but is wrongly placed: 7 8 3

What do you think with the below Picture ?

What is the below Rebus indicate?

My location can be determined by the below rebus.
So where am i ?