In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

Out of the nine cats that you can see in the picture, there are only two that are completely identical. Can you find them out?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

What do you answer even though it never asks you questions?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

I am an odd number. Take away a letter and I become even. What number am I?

Two Twins Jack and Jill were standing back to back and suddenly they started running in opposite direction for 4 kilometres and then turn to left and run for another 3 kilometres.

what is the distance between the Baggio twins when they stop ?

How many squares, of any size, can you find on this chessboard which do not contain a Rook?