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?

Which is the correct shadow of the bird?

What happened when the wheel was invented?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

What jumps when it walks and sits when it stands?

Can you find out who is the kidnapper in below Picture and why, Explain ?

How many sides does a circle have?

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

Which word does the below Plexor means ?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?