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 travel all around the world but always stay in the corner. What am I?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

10+10 and 11+11 can give you the same answer.

Explain how?

Can you count the number of blocks in the picture below?

Which wheel of car does not rotate when you turn your car right?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

what does this picture(rebus) riddle means ?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Why is it very easy to weigh a fish?