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?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Find out the number of circles in the given picture having Illusion

Why did the Girl throw the butter out of the window?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

Rearrange the letters in "new door" to make one word.

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.