How can you tell a raw egg from a hard-boiled egg?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

What occurs twice in a week, once in a year but never in a day?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

You need to move three matchsticks to form three squares. Can you do it?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?