It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

You are a thief and you are being punished for your crime. People have tied your head down on a tree with a rope that has been anchored in the ground. A candle is burning below the rope which is slowly burning it away. Just below your head, a Lion has been left loose and is waiting for you to drop down on the ground so he can have you as his lunch.

You have to survive the scenario. How will you do it?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

How can you tell a raw egg from a hard-boiled egg?

Which Burger Is Different in below image?

What brings you down but never up?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E