If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

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

Rumel, A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-known location, you find a note:

710 57735 34 5508 51 7718

Currently, there are 3 suspects: Bill, John, and Todd. Can you break the detective's code and find the criminal's name?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Replace the question mark with the number below given a simple math problem.

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

Prove that the below maths equation is true.

8 + 8 = 91

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?