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?

What is the relationship between these matchstick pictures below?

What is the coolest letter in the alphabet?

It is Secret Agent Bond Girl Friend's birthday but he is on a secret mission

Mr Bond has a secret device by which he can only use the below words for sending the message.

Dumbo, Nazi, Carrot, Ronda, Zambia, Racing, TinTin, Seou, Zareeba, Laltain, Saphire, Tar, Orphan, Audition, Biscotti.

Mr Bond sends the following message to her girlfriend:
Carrot Dumbo Nazi Racing Ronda Zambia TinTin Seou Laltain Zareeba Tar Biscotti Orphan Audition Snake

What does Mr. Bond's Message say?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?