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

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

There is something which you can be arrested for attempting but not for successfully completing.

What makes this number unique: 8,549,176,320?

Can you decipher the following common phrase?

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

What question can you never answer yes to?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?