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Thread: Can you find the second solution to this simple math problem?

  1. #41
    Veteran Member Dr.Knuckles's Avatar
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    Dont forget my third answer, big guy.

  2. #42
    Veteran Member Dr.Knuckles's Avatar
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    The I also like that 40 is based on looking at exactly the info available, but 96 requires you to make assumptions and include those assumptions in your reasoning.

    It took me much longer to see 96, but others were opposite.
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  3. #43
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    96 was easy, 40 took me a minute.
    Thanks from Dr.Knuckles and boontito

  4. #44
    Spock of Vulcan Ian Jeffrey's Avatar
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    Quote Originally Posted by Dr.Knuckles View Post
    Three people check into a hotel. They pay $30 to the manager and go to their room. The manager finds out that the room rate is $25 and gives the bellboy $5 to return to the guests. On the way to the room the bellboy reasons that $5 would be difficult to split among three people so he pockets $2 and gives $1 to each person. Now each person paid $10 and got back $1. So they paid $9 each, totaling $27. The bellboy has another $2, adding up to $29.
    Where is the remaining dollar?
    There is no "remaining dollar." You're equivocating on who has what money versus who paid what money. Look at where the money actually is. The manager has $25, the guests each have $1, and the bellboy has $2. That's $30. Sure, they collectively paid $27 - $25 to the manager, and $2 to the bellboy, and they received $3 in refund. Nothing is missing.

  5. #45
    Veteran Member Dr.Knuckles's Avatar
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    Yes. This one actually is trickier verbally.

    There is no reason to add 2 to the 27, but once that's suggested it gets locked in your head. :-). I failed it. Had to be told. (In my defense I heard it verbally). I like that one too. Just because of the "oh god I'm an idiot" moment.
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  6. #46
    Veteran Member Dr.Knuckles's Avatar
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    Quote Originally Posted by webrockk View Post
    96 was easy, 40 took me a minute.
    And as Boontoto said that probably shows our different ways of thinking.

    I was a cop. I looked at exactly what was known. Exactly. It took me a bit to realize I could "assume" the pattern continues.

    In my line of work I would be forbidden from making any conclusions based on an assumption that the pattern continues with 4,5, 6 and 7. That's "unknown".

    96 would get thrown out of court.


    *Edit. I like the typo "Boontoto". I'm not fixing it. It suits him.
    Last edited by Dr.Knuckles; 18th July 2017 at 01:05 PM.
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  7. #47
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    Quote Originally Posted by Dr Sampson Simpson View Post
    I think 96.

    8 X 11= 88 + 8

    Examples 2+5 and 3+6 suggest that the 2nd number is multiplied by the first number, then added to the first number

    I win, I showed my work
    that made my brain hurt!

  8. #48
    The Un-Holy One The Man's Avatar
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    Quote Originally Posted by Spookycolt View Post
    The first answer is easy but there is a second way to solve it which requires thinking outside of the box.

    Can you figure it out what the final answer is in both equations?

    5 + 7 = 12
    12 + 9 = 21
    21 + 19 = 40

    Wow... And I absolutely SUCKED at math all through school... Like, when I started high school in Canada, some of my new friends couldn't believe I was from Russia, they thought Russians were supposed to real smart at math Well, I am only HALF Russian, ethnically, so, there is that lol

  9. #49
    Nuisance Factor Yeti 8 Jungle Swing Champion, YetiSports 4 - Albatross Overload Champion, YetiSports7 - Snowboard FreeRide Champion, Alu`s Revenge Champion boontito's Avatar
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    Quote Originally Posted by webrockk View Post
    96 was easy, 40 took me a minute.
    That was me too. And others were the opposite. The human brain is pretty whacked.

  10. #50
    Nuisance Factor Yeti 8 Jungle Swing Champion, YetiSports 4 - Albatross Overload Champion, YetiSports7 - Snowboard FreeRide Champion, Alu`s Revenge Champion boontito's Avatar
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    Quote Originally Posted by Ian Jeffrey View Post
    There is no "remaining dollar." You're equivocating on who has what money versus who paid what money. Look at where the money actually is. The manager has $25, the guests each have $1, and the bellboy has $2. That's $30. Sure, they collectively paid $27 - $25 to the manager, and $2 to the bellboy, and they received $3 in refund. Nothing is missing.
    Translation: FAKE NEWS!!!
    Thanks from Ian Jeffrey

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