What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

A dying old man wants to divide his entire land between his only two sons. Since his only wish is to treat them as equal as both of them have been too good to him, he wants to divide his land equally between them. The problem is that the land is significantly irregular in shape and thus there is no choice of cutting them into two equal halves.

Can you help him divide the land in a manner that both of his sons will be happy?

why number 8549176320 is one of a kind?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

A blonde put eyeliner on her head. Why?

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