Inspired by the fact I’m writing this under a time constraint because I’m way too busy, here’s a time related puzzle. Bonus points if you get the title reference.
The puzzle is:
How many minutes is it before 12 noon if nine minutes ago it was twice as many minutes past 10 am?
Best of luck,
Vel.
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October 19, 2009 at 10:01 pm
Should the answer we came up with be posted in the comments, or not?
October 20, 2009 at 12:42 am
Since my previous comment is awaiting moderation, I assume it’s okay, since only you will see it till you deem otherwise.
So, let 0 = 10 am. Let x be an integer, where if x=7, then we are discussing 10:07 am.
2(120-x)=x-9.
240-2x=x-9
249 = 3x
x = 83.
So, 11:23 am.
Therefore, it’s 37 minutes before noon.
October 20, 2009 at 6:30 am
Some nice working out there; well done, that’s correct 😀
Feel free to post answers in comments – you only have to be ‘moderated’ the first time you post, so you’ll be fine from now on. If you want to keep it private, just contact me directly.