Can you place six X (crosses) in below board without making three in a row in any way ?

Can you tell a 3D object that has just two surfaces?

Solve the riddle below:

If a Chicken says, 'All chickens are liars" is the chicken telling the truth?

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

What is the next shape from answers A, B, C, and D figure?

Four cars come to a four-way stop, each coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. All 4 cars go, but none crash into each other. How is this possible?

Find the next number in the series below

21 32 54 87 131 ?