You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

One night, a woman receives a call from the police. They tell her that her husband was murdered and that she should come to the crime scene as soon as possible. The woman drops the phone, shocked, and drives 20 minutes to the crime scene. As soon as she reaches the crime scene, the police arrest her and she is convicted of murder. How do the police know she committed the crime?

You bought me for dinner but never eat me. What am I?

Replace the question mark with the number below given a simple math problem.

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

Count the number of triangles in the given picture.

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?