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Monday Morning Brain Teaser. - Forum Games - Nairaland

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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...

Re: Monday Morning Brain Teaser. by shaqhead: 9:50am On Feb 23, 2015
obiZEAL:
Saw this on fb this morning...had to do a lil bit of quadratic equation...
Ah uve dropped one here sef
Re: Monday Morning Brain Teaser. by obiZEAL(m): 9:52am On Feb 23, 2015
shaqhead:

Ah uve dropped one here sef
yess boss
Was about to mention u seff
Waiting for ur answer
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:
yess boss
Was about to mention u seff
Waiting for ur answer
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:
Cc; Tandllceblog
, Harlos.
check d monikers for correct spelling
Re: Monday Morning Brain Teaser. by obiZEAL(m): 10:37am On Feb 23, 2015
shaqhead:

check d monikers for correct spelling
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:

Thanks...missed the 'u'
Done!
Re: Monday Morning Brain Teaser. by Nobody: 11:21am On Feb 23, 2015
obiZEAL:
Cc; Tandullceblog
, Harlos.

Hai grin
Re: Monday Morning Brain Teaser. by obiZEAL(m): 11:46am On Feb 23, 2015
Tandullceblog:


Hai grin
Welcome...had a lil p with ur moniker
Re: Monday Morning Brain Teaser. by obiZEAL(m): 11:50am On Feb 23, 2015
shaqhead:
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!
Warlock!!!
Was just expecting the pin...nice one boss
Re: Monday Morning Brain Teaser. by Nobody: 11:56am On Feb 23, 2015
obiZEAL:

Welcome...had a lil p with ur moniker

Haha... sorry. atleast you finally got it right.
Re: Monday Morning Brain Teaser. by obiZEAL(m): 12:14pm On Feb 23, 2015
Tandullceblog:


Haha... sorry. atleast you finally got it right.
Yea
Re: Monday Morning Brain Teaser. by shaqhead: 12:17pm On Feb 23, 2015
obiZEAL:

Warlock!!!
Was just expecting the pin...nice one boss
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:
Cc; Tandullceblog
, Harlos.
You called me
Re: Monday Morning Brain Teaser. by harlos: 6:58pm On Feb 23, 2015
shaqhead:
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!

You try man. I wouldn't have got it undecided
Re: Monday Morning Brain Teaser. by obiZEAL(m): 7:28pm On Feb 23, 2015
harlos:

You called me
Yea...but shaqhead already killed it.
Re: Monday Morning Brain Teaser. by harlos: 7:35pm On Feb 23, 2015
obiZEAL:

Yea...but shaqhead already killed it.
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:
If the guy can remember all these things and still can't figure out the simple pin, then he is a dumb ass
Lolz
The guy probably wrote it down somewhere.

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