x number of stones. On my way, I will cross three wells. When I reach a well, then I will throw
y number of stones into the well. After that, remaining stones are twice the count....
If I have 5 stones and I dropped 3 stones into the well. Now remaining 2 stones are twice the count. So I have 4 stones, while leaving the well.
It is continues to all well crossing. At end of travel, I have
zero number of stones.
What is the value of
Same number of stones must be dropped into the wells.
Solve the puzzle as backwards. Because, there we have a value as