My Comment
Before I discovered brilliant, I wanted to find books nearby that had math-like problems for fun. I couldn't find any such thing. Then I saw brilliant as an ad on youtube.wasn't disappointed at all. In fact, it exceeded my expectations and I am very happy with it. I'm looking forward to get a lifetime subscription when my yearly one is over. A great way to spend your free time with in a productive way. Hope they'll post more advanced problems with time once I'm done learning the existing ones.
Brilliant is really doing a brilliant job. But I would still like to give a suggestion. The cost for premium subscription is good only for the European and American countries. Here in India and Asia these things get really troublesome to purchase! But still it is really amazing! Worst thing is that my subscription is about to go out, and I won't be able to repurchase it again, sad!