The centre of the third figure is empty. What digit should fit inside?

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?

John walks into the daily grocery shop and steals a $100 bill from the shop. An hour later John returns to the shop and buys some daily products for $40. John pays the owner the $100 bill and therefore the owner returns him $60.

How much money did the owner lose?

In the image given, you can find several triangles. Can you count them all?

Can you find the key in the picture below?

Sherlock breaks into a crime scene. The victim is the owner who is slumped dead on a chair and have a bullet hole in his head. A gun lies on the floor and a cassette recorder is found on the table. On pressing the play button, Sherlock hears the message 'I have committed sins in my life and now I offer my soul to the great Lord' and followed a gunshot Sherlock smiles and informed the police that's its a murder.

Why did he think so?

What does Alexander the Great and Winnie the Pooh have in common?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

You need to remove two matchsticks to make the below equation true. Can you do it ?