A man was found murdered on Sunday morning. His wife immediately called the police. The police questioned the wife and staff and got these alibis: The Wife said she was sleeping. The Cook was cooking breakfast. The Gardener was picking vegetables. The Maid was getting the mail. The Butler was cleaning the closet. The police instantly arrested the murderer. Who did it and how did they know?

What is the next number in the series?

15 29 56 108 208 ?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Find the next number in the following series:
6, 14, 26, 98, __?

Imagine you are in a room with no windows or doors. How will you get out?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

How is a fly different from a mosquito?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Which tank will fill first?