You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

In which direction should the missing arrow point?

What runs around the whole yard without moving?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

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 number when divided in half becomes zero?

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?

They are three errirs in this question. Can you find them?

What is the difference between a jeweller and a jailer?