Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

You have 1023 apples and 10 bags. You have to distribute these apples in these 10 bags in any way you choose. But when I ask for a certain number of apples you have to give them in terms of bags without transferring the apples from other bags. How do you distribute the apples?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

What does below pictogram mean?

81 x 9 = 801. What must you do to make the this equation true?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Replace the question mark with the correct number.