Replace the question mark with the correct number.

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

What does the below rebus riddle means?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

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

why number 8549176320 is one of a kind?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

If 21x = 79x, what is the value of x?