If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

Can you solve the photo plexer logic ?

Find the missing letter in the last circle logically in the given below picture.

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Identify the 10 differences between the two given pictures.

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

You need to move three matchsticks to form three squares. Can you do it?

What is the word or phrase?