Who Is Clever Enough 12.04

A Brain Teasing Puzzle

from JoeUser Forums
Okay folks, back buy a somewhat popular demand....

1) How many minutes would it be before six o'clock if fifty minutes earlier it had been four times as many minutes after three o'clock?

2) How long would it take a 1/2-mile train moving at one mile per minute to go through a two mile tunnel?

Either/or. Good luck guys!
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10,101 views 8 replies
Reply #1 from JoeUser Forums Top

1. 4 times what?

2. 2 1/2 minutes

Reply #2 from JoeUser Forums Top
2. 2 1/2 minutes


Nice job Doc Congrats!

1. 4 times what?


..if 50 minutes earlier, it was 4 times as many minutes after 3 o'clock.
Galactic Civilizations III
Reply #3 from JoeUser Forums Top
I am still not getting it.  50 minutes earlier cannot be 4 times greater.  It can only be less.
Reply #4 from JoeUser Forums Top
This is not that easy Doc...it took me a long while.
Reply #5 from JoeUser Forums Top
26 minutes before 6 o'clock would be 4 times the number of minutes after 3 o'clock 50 minutes earlier.

26 minutes before 6 o'clock is 5:34
50 minutes before 5:34 is 4:44
there are 104 minutes after 3 o'clock when it is 4:44
26x4=104
Reply #6 from JoeUser Forums Top

26 minutes before 6 o'clock would be 4 times the number of minutes after 3 o'clock 50 minutes earlier.

AHA!  I just was not understanding what the 4 times was!  Thank you.

Reply #7 from JoeUser Forums Top
AHA! I just was not understanding what the 4 times was! Thank you.


I had a very tough time with this one. It's strange thinking about time in these strange terms; very abstract to me.
Reply #8 from JoeUser Forums Top
No problem Dr. Guy, I was just having lunch and figured I would post the answer since I had some time.

There is one site that had some interesting puzzles. They also posted the answers. I can put the URL of the site here if you want or if Xythe wants the URL and he can post a question at a time and provide answers later. Your choice.