Look at the picture and find out which square is not linked with any of the other squares.

What has many teeth, but cannot bite?

During which month do people sleep the least?

A California farmer owns a beautiful pear tree. He supplies the fruit to a nearby grocery store. The store owner calls the farmer to see how much fruit is available for him to buy. The farmer knows the main trunk has 24 branches. Each branch has exactly 12 boughs and each bough has exactly 6 twigs. Since each twig bears one piece of fruit, how many plums will the farmer be able to deliver?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

In the four images below, can you find the odd one out?

What building has the most stories?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Can you place three balls such that the equation shown in the picture holds true?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?