13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

Can you find out the missing number in the grid?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

It belongs to you, but other people use it more than you do. What is it?

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?