A famous furniture store staged a big sale of chairs which attracted numerous customers.
The 1st customer bought 2 chairs plus a half of the remaining chairs.
The 2nd customer bought 3 chairs plus a third of the remaining chairs.
The 3rd customer bought 4 chairs plus a quarter of the remaining chairs
... etc till it was impossible to proceed in the said manner.
How many customers could be accommodated and how many chairs were sold to them?