In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

What am I?

Can you spot the hidden girl in the picture below?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Make a sentence consisting of three words that have the whole alphabet.

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?