What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

You see me once in June, twice in November, and not at all in May. What am I?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

Can you decipher the two rows to find the hidden word?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

If you say my name, I will no longer exist. What am I?