What do you think with the below Picture ?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

There was a strange boy who was born before his father. How can this be possible?

Through your logical capabilities, can you make 7 an even?

Why do people go to bed?

What part of the chicken has the most feathers?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

Prove that the below maths equation is true.

8 + 8 = 91

What is the end of everything?