You have a perfectly accurate analog watch with an hour, minute and second hand. How many times a day do all of the three hands overlap? - Quora
![equation solving - Figuring when the minute and hour hand coincide on a clock - Mathematica Stack Exchange equation solving - Figuring when the minute and hour hand coincide on a clock - Mathematica Stack Exchange](https://i.stack.imgur.com/3RF4X.png)
equation solving - Figuring when the minute and hour hand coincide on a clock - Mathematica Stack Exchange
![equation solving - Figuring when the minute and hour hand coincide on a clock - Mathematica Stack Exchange equation solving - Figuring when the minute and hour hand coincide on a clock - Mathematica Stack Exchange](https://i.stack.imgur.com/ktbVF.png)