Find the smallest number such that if its rightmost digit is placed at its left end, the new number so formed is precisely 50% larger than the original number.
(In reply to gold
First and foremost: please do not post problems as comments to other problems. You should submit the problems to the site, and let them await their turn. What's more, you might choose to become more familiar with this site and the problems in the archives, because...
Second, this problem was posted 10 months ago under the name Monkeys and Coconuts.