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Nairaland Forum / Entertainment / Forum Games / Monday Morning Brain Teaser. (1661 Views)
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Monday Morning Brain Teaser. by obiZEAL(m): 9:19am On Feb 23, 2015 |
Saw this on fb this morning...had to do a lil bit of quadratic equation...
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Re: Monday Morning Brain Teaser. by shaqhead: 9:50am On Feb 23, 2015 |
obiZEAL:Ah uve dropped one here sef |
Re: Monday Morning Brain Teaser. by obiZEAL(m): 9:52am On Feb 23, 2015 |
Re: Monday Morning Brain Teaser. by obiZEAL(m): 10:02am On Feb 23, 2015 |
Cc; Tandullceblog , Harlos. |
Re: Monday Morning Brain Teaser. by shaqhead: 10:18am On Feb 23, 2015 |
obiZEAL:U wan use maths scatter ma brain ds morn! quite lenghty but got it! 1 Like |
Re: Monday Morning Brain Teaser. by shaqhead: 10:18am On Feb 23, 2015 |
obiZEAL:check d monikers for correct spelling |
Re: Monday Morning Brain Teaser. by obiZEAL(m): 10:37am On Feb 23, 2015 |
shaqhead:Thanks...missed the 'u' |
Re: Monday Morning Brain Teaser. by shaqhead: 10:41am On Feb 23, 2015 |
Let a=b*2 - 1 b+c=10 - 2 d=b+1 - 3 c+e=14 - 4 a+b+c+d+e = 30 - 5 Subs (4) into (5) i.e a +b + d +(c+e) 〓30 a+b+d +14 = 30 Or a+b+d = 30-14 = 16 - 6 Subs (3) into (6), a+b+b+1 = 16 a + 2b〓16-1 a+2b = 15 - 7 Subs (1) into (7) i.e a= b*2 b*2+2b = 15 b*2+2b-15 = 0 (b+5)(b-3) = 0. b = 3 is the valid positive value Substitute b〓3 into (1) a = b*2 = 3*2 = 9 a 〓 9 Substitute b 〓3 into (3) d =b+1 = 3+1 = 4 d 〓4 Substitute b 〓3 into (2) c=10-b =10-3 = 7 c 〓7 Substitute c 〓7 into (4) c + e〓14 7 + e 〓14 e〓14 -7 e 〓7 Subs d values of a, b, c, d and e to confirm total summation a+b+c+d+e =30 9+3+7+4+7 = 30 PIN 〓93747 takes a deep breath...am sweatin olredy! 2 Likes |
Re: Monday Morning Brain Teaser. by shaqhead: 11:15am On Feb 23, 2015 |
obiZEAL:Done! |
Re: Monday Morning Brain Teaser. by Nobody: 11:21am On Feb 23, 2015 |
obiZEAL: Hai |
Re: Monday Morning Brain Teaser. by obiZEAL(m): 11:46am On Feb 23, 2015 |
Tandullceblog:Welcome...had a lil p with ur moniker |
Re: Monday Morning Brain Teaser. by obiZEAL(m): 11:50am On Feb 23, 2015 |
shaqhead:Warlock!!! Was just expecting the pin...nice one boss |
Re: Monday Morning Brain Teaser. by Nobody: 11:56am On Feb 23, 2015 |
obiZEAL: Haha... sorry. atleast you finally got it right. |
Re: Monday Morning Brain Teaser. by obiZEAL(m): 12:14pm On Feb 23, 2015 |
Tandullceblog:Yea |
Re: Monday Morning Brain Teaser. by shaqhead: 12:17pm On Feb 23, 2015 |
obiZEAL:thanks boss..ddnt wnt Taandullceblog or halos to come blaze tru it..lol! 1 Like |
Re: Monday Morning Brain Teaser. by harlos: 6:56pm On Feb 23, 2015 |
obiZEAL:You called me |
Re: Monday Morning Brain Teaser. by harlos: 6:58pm On Feb 23, 2015 |
shaqhead: You try man. I wouldn't have got it |
Re: Monday Morning Brain Teaser. by obiZEAL(m): 7:28pm On Feb 23, 2015 |
harlos:Yea...but shaqhead already killed it. |
Re: Monday Morning Brain Teaser. by harlos: 7:35pm On Feb 23, 2015 |
obiZEAL:I see it |
Re: Monday Morning Brain Teaser. by html14java(f): 9:50pm On Feb 24, 2015 |
If the guy can remember all these things and still can't figure out the simple pin, then he is a dumb ass |
Re: Monday Morning Brain Teaser. by obiZEAL(m): 10:16pm On Feb 24, 2015 |
html14java:Lolz The guy probably wrote it down somewhere. |
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