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wu :: forums    riddles    hard (Moderators: Grimbal, Icarus, towr, ThudnBlunder, william wu, SMQ, Eigenray)    24 - III « Previous topic | Next topic » Pages: 1  Reply Notify of replies Send Topic Print    Author  Topic: 24 - III  (Read 1928 times) icon Guest 24 - III   « on: Jul 31st, 2002, 11:29am » Quote Modify Remove 24 = 1 to the 3rd power * (6 * 4) = 24     Create the number 24 using only these numbers once each: 1, 3, 4, 6. You may use only the following functions: +, -, *, /. This is not a trick question; for example, the answer does not involve a number system other than base 10 and does not allow for decimal points. IP Logged icon Guest Re: 24 - III   « Reply #1 on: Jul 31st, 2002, 1:10pm » Quote Modify Remove found 2nd solution:   6 / (1-3/4)   icon IP Logged Alex Guest Re: 24 - III   « Reply #2 on: Aug 1st, 2002, 10:39am » Quote Modify Remove The second solution is the correct one, as the first uses exponents, which is not within the allowed function list. Regardless, well done =) IP Logged Snack Newbie     Posts: 3 Re: 24 - III   « Reply #3 on: Aug 22nd, 2002, 10:04am » Quote Modify Wouldn't the fractions constitue a decimal for soloution 2? IP Logged Jeremiah Smith Full Member Beep!     Posts: 172 Re: 24 - III   « Reply #4 on: Aug 24th, 2002, 12:19am » Quote Modify No, since fractions are just division. The no-decimal points thing means that you can't do some smartaleck thing like 3.4 * 1.6 or something. IP Logged Nigel_Parsons Junior Member     Gender: Posts: 63 Re: 24 - III   « Reply #5 on: Jul 22nd, 2004, 3:11pm » Quote Modify The simple way (with a decimal point) would be:   ((3/.6)+1)*4=24 IP Logged 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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