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

What is always in front of you but can’t be seen?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

What is the Surname of Barbie Doll?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

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?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

John was drowned by he was not wet. How?

Replace The Question Mark Below With the Correct Number.

2 {38} 3
4 {1524} 5
6 {3548} 7
8 {????} 9

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.