Can you count the number of triangles in the picture below?

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?

What is next number in the pattern below:

131 517 192 123 ?

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

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

You need to remove two matchsticks to make the below equation true. Can you do it ?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?