A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

How many triangles are there on the puzzle below?

What's a single-digit number with no value?

What is both possible and impossible at the same time?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Find the next number in the series below

21 32 54 87 131 ?

What is the next number?

77, 49, 36, 18 ?