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 breaks yet never falls, and what falls yet never breaks?

Why are all black people so quick ?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

what does this picture(rebus) riddle means ?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?