The Glowing Bulb Problem

I came across this interesting problem yesterday. There are few light bulbs and all of them are switched off. On the first turn, you press the switch of all bulbs, i.e. you turn all of them on. On the second turn, you switch all the second bulbs (2, 4, 6...). On the third turn, you … Continue reading The Glowing Bulb Problem


Rainy days

A trip between our college's main campus and transit campus requires fifteen minutes of cycling. I have been drenched at least a dozen times while making this journey over the past two years. Once I had set myself the task of calculating the probability, but then I simply accepted it as bad luck.┬áRain has this … Continue reading Rainy days