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?

Can you find the company name in the pictogram below?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

You can see three almost identical images below. Can you spot the odd one out from them?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

In which direction should the missing arrow point?

A sundial has the fewest moving parts of any timepiece. Which has the most?

Take one out and scratch my head, I am now black but once was red. What am I?

No matter how little or how much you use me, you change me every month. What am I?