The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

Can you find the missing piece of the Porsche?

Can you identify the hidden rebus in the image below?

what one word does the below rebus identifies?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

A car meter reading shows 72927 miles a palindromic number.
what is the minimum number of miles you would need to travel to see another palindromic number on the car meter reading?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.