Solve the mathematical equation in the picture below.

Can you count the number of triangles in the picture below?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

How far can you walk into the woods?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

Spot 5 differences in two Christmas tree below:

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?

Look at the picture and find out which square is not linked with any of the other squares.

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?