Brain Teaser |
Helping the motorist get justice 
Helping the motorist get justice
Brain Teaser |
 Sun, 29 Mar 2020 - 14:25
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#1
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 Member  Group:  Life MemberPosts: 24,220 Joined: 9 Sep 2004 From: Reading Member No.: 1,624  |
Using only the mathematical symbols +, -, x, ÷, (, ), √ and ! on the left hand side of the equations below (as many times as necessary), complete the equations.
N.B. ! means 'factorial' - 0!=1, 1!=1, 2!=2x1=2, 3!=3x2x1=6, etc. 0 0 0 = 6 1 1 1 = 6 2 2 2 = 6 3 3 3 = 6 4 4 4 = 6 5 5 5 = 6 6 6 6 = 6 7 7 7 = 6 8 8 8 = 6 9 9 9 = 6 10 10 10 = 6 What is the next line in the sequence? 1 11 21 1211 This post has been edited by andy_foster: Sun, 29 Mar 2020 - 15:12 -------------------- Andy
Some people think that I make them feel stupid. To be fair, they deserve most of the credit. |
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Sun, 29 Mar 2020 - 14:25
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 Advertise here! |
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Mon, 30 Mar 2020 - 13:47
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#21
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Member Group: Members Posts: 3,285 Joined: 5 Jan 2012 Member No.: 52,178 |
QUOTE (andy_foster @ Mon, 30 Mar 2020 - 14:29)  if you panic bought too many brackets and need to use them up. If I panic bought an infinite number of √s, then I can take the square root of any non-zero positive number an infinite number of times, which always gets me to 1. From there, it's easy (1+1+1)! OK, I need 3 lots of infinities of √s, but that's still infinity. QUOTE (andy_foster @ Mon, 30 Mar 2020 - 14:29) Now, can anybody other than Jlc work out the next line of the sequence (the way he initially wrote his answer is a very strong clue)? 1 11 21 1211 111221 312211 I'm sure I've seen this in Only Connect sequences round This post has been edited by The Slithy Tove: Mon, 30 Mar 2020 - 13:44 |
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Mon, 30 Mar 2020 - 14:35
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#22
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 Member Group: Members Posts: 41,585 Joined: 25 Aug 2011 From: Planet Earth Member No.: 49,223 |
Say what you see...
QUOTE (Mayhem007 @ Mon, 30 Mar 2020 - 13:50) ...but when written in this format it can be quite confusing for the below average mathematician.Mathematics should convey the information that you wish to show to the majority of people in a simple way You must of seen those ridiculous FaceBook postings where someone poses a 'complex' mathematical sum using a mix of operators, without parentheses (brackets), and everyone has a different answer... If only everyone remembers BODMAS! -------------------- RK=Registered Keeper, OP=Original Poster (You!), CoFP=Conditional Offer of Fixed Penalty, NtK=Notice to Keeper, NtD=Notice to Driver
PoFA=Protection of Freedoms Act, SAC=Safety Awareness Course, NIP=Notice of Intended Prosecution, ADR=Alternative Dispute Resolution PPC=Private Parking Company, LBCCC=Letter Before County Court Claim, PII=Personally Identifiable Information, SAR=Subject Access Request Private Parking - remember, they just want your money and will say almost anything to get it. |
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Mon, 30 Mar 2020 - 14:56
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#23
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Member Group: Life MemberPosts: 24,220 Joined: 9 Sep 2004 From: Reading Member No.: 1,624 |
QUOTE (Jlc @ Mon, 30 Mar 2020 - 15:35) You must of seen those ridiculous FaceBook postings where someone poses a 'complex' mathematical sum using a mix of operators, without parentheses (brackets), and everyone has a different answer... If only everyone remembers BODMAS! Only for genius! 99% will fail. Only genius with IQ is 140+ can wins! edit: not as bad as the ones which purport to repurpose "+" as some other quasi-mathematical function. This post has been edited by andy_foster: Mon, 30 Mar 2020 - 14:58 -------------------- Andy
Some people think that I make them feel stupid. To be fair, they deserve most of the credit. |
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Mon, 30 Mar 2020 - 16:07
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#24
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 Member Group: Life MemberPosts: 1,668 Joined: 9 Nov 2008 From: Doldrums Member No.: 23,903 |
Is it
11212211 -------------------- STAND UP FOR YOURSELF OR YOU WILL FALL FOR ANYTHING
Ultracrepadarion - A person who offers an opinion on a subject they know nothing about. |
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Mon, 30 Mar 2020 - 18:53
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#25
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Member Group: Life MemberPosts: 24,220 Joined: 9 Sep 2004 From: Reading Member No.: 1,624 |
QUOTE (Mayhem007 @ Mon, 30 Mar 2020 - 17:07) 11212211 No. Try reading Jlc's answer again. N.B. if you get it, you will won't need to ask if you got it right. -------------------- Andy
Some people think that I make them feel stupid. To be fair, they deserve most of the credit. |
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Mon, 30 Mar 2020 - 20:13
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#26
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 Member Group: Members Posts: 2,134 Joined: 16 Aug 2008 From: London Member No.: 21,892 |
1
11 21 1211 111221 312211 13112221 1113213211 31131211131221 |
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Mon, 30 Mar 2020 - 20:46
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#27
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Member Group: Members Posts: 763 Joined: 16 Jun 2010 From: sw11 Member No.: 38,303 |
Totally depends on which base the questioner has chosen, I have no idea what base is chosen and therfore no answer.
-------------------- PePiPoo will likely close in October due to issues beyond the control of any contributor to this forum.
You are encouraged to seek advice at https://www.ftla.uk/speeding-and-other-criminal-offences/ where the vast majority of the experts here have moved over to already. |
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Mon, 30 Mar 2020 - 21:06
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#28
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Member Group: Life MemberPosts: 24,220 Joined: 9 Sep 2004 From: Reading Member No.: 1,624 |
QUOTE (Irksome @ Mon, 30 Mar 2020 - 21:46) Totally depends on which base the questioner has chosen No it doesn't. N.B. by convention any number without a base indicated is base 10. QUOTE I have no idea <snip> -------------------- Andy
Some people think that I make them feel stupid. To be fair, they deserve most of the credit. |
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Tue, 31 Mar 2020 - 07:08
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#29
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Member Group: Members Posts: 622 Joined: 20 Oct 2007 Member No.: 14,668 |
QUOTE (stamfordman @ Sun, 29 Mar 2020 - 15:43) First let's have your proof that 0!=1. https://www.youtube.com/watch?v=Mfk_L4Nx2ZI |
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Tue, 31 Mar 2020 - 10:46
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#30
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Member Group: Life MemberPosts: 1,668 Joined: 9 Nov 2008 From: Doldrums Member No.: 23,903 |
QUOTE (morrisman @ Tue, 31 Mar 2020 - 08:08) QUOTE (stamfordman @ Sun, 29 Mar 2020 - 15:43) First let's have your proof that 0!=1. https://www.youtube.com/watch?v=Mfk_L4Nx2ZI Brilliant explanation Morrisman. Thank you. Should get a good nights kip now. -------------------- STAND UP FOR YOURSELF OR YOU WILL FALL FOR ANYTHING
Ultracrepadarion - A person who offers an opinion on a subject they know nothing about. |
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