100+Riddles for Adults with answers: To Boost Your Brainpower

What can go up a chimney down, but can't go down a chimney up?

What 5-letter word typed in all capital letters can be read the same upside down?

What fruit can you never cheer up?

Which fish costs the most?

Alexa has four daughters, and each one has a brother. How many children does she have in total?

Sam's dad has 3 daughters. Two are named Stephanie and Amanda. What's the name of the third daughter?

In a bus, there is a 26-year-old pregnant lady, a 30-year-old policeman, a 52-year-old random woman, and the driver who is 65 years old. Who is the youngest?

What gets bigger the more you take away?

A man and his boss have the same parents, but they are not siblings. How is this possible?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year, and yet they're not twins. How can this be?

How many bricks does it take a complete a brick building?

The cowboy rode into town on Friday. He stayed for five days and left on Friday. How?

What three numbers give the same result when multiplied and added together?

Ask this question all day long, but always get completely different answers, and yet all the answers will be correct. What is the question?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?