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wu :: forums    riddles    medium (Moderators: SMQ, ThudnBlunder, Eigenray, towr, Icarus, Grimbal, william wu)    number puzzle « Previous topic | Next topic » Pages: 1  Reply Notify of replies Send Topic Print    Author  Topic: number puzzle  (Read 3308 times) paulhelp12345 Newbie     Posts: 3 number puzzle   « on: Jan 22nd, 2012, 10:55am » Quote Modify BOX 1  2  3  4  5  6  7     8    9    10 number in box 4  3  9  2  7  2  63  36  55  9   add: (number in box 4) + (number in box 2), put result into box 8   add: (number in box 8 ) + (number in the box whose number is in box 4), put result into box 4   multiply: (number in box 4) * (number in box 1), put result into box 4   what is now in box 4 IP Logged towr wu::riddles Moderator Uberpuzzler Some people are average, some are just mean.     Gender: Posts: 13730 Re: number puzzle   « Reply #1 on: Jan 22nd, 2012, 11:10am » Quote Modify I you put a result in a box, what happens to the number already there? IP Logged Wikipedia, Google, Mathworld, Integer sequence DB paulhelp12345 Newbie     Posts: 3 Re: number puzzle   « Reply #2 on: Jan 22nd, 2012, 11:17am » Quote Modify thats my problem, i can either add it or replace it.   can you work it out both ways. i've asked two people can we all get different answers. IP Logged towr wu::riddles Moderator Uberpuzzler Some people are average, some are just mean.     Gender: Posts: 13730 Re: number puzzle   « Reply #3 on: Jan 22nd, 2012, 12:00pm » Quote Modify I get 32 when I replace the numbers, 230 when I add them. IP Logged Wikipedia, Google, Mathworld, Integer sequence DB paulhelp12345 Newbie     Posts: 3 Re: number puzzle   « Reply #4 on: Jan 22nd, 2012, 12:20pm » Quote Modify can you spot were i went wrong   1:-  Add (number in box 4 = 2) + (number in box 2 = 3) result in box 8 = 5 2 + 3 = 5    2:-  Add (number in box 8 = 5) + (number in box 4 = 2) result in box 4 = 7  5 + 2 = 7  3:- Multiply (number in box 4 = 7)  * (number in box 1 = 4) 7 * 4 = 28 result in box 4 = 7   Answer = 28 IP Logged towr wu::riddles Moderator Uberpuzzler Some people are average, some are just mean.     Gender: Posts: 13730 Re: number puzzle   « Reply #5 on: Jan 22nd, 2012, 1:10pm » Quote Modify In the second step, they ask for the "number in the box whose number is in box 4". The number in box 4 is 2, but they're not actually asking for this number; they're asking for the number in the box with that number; i.e. the number in box 2. And that's 3. IP Logged Wikipedia, Google, Mathworld, Integer sequence DB Pages: 1  Reply Notify of replies Send Topic Print Forum Jump: ----------------------------- riddles -----------------------------  - easy => medium   - hard   - what am i   - what happened   - microsoft   - cs   - putnam exam (pure math)   - suggestions, help, and FAQ   - general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese « Previous topic | Next topic »

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