Welcome, Guest: Register On Nairaland / LOGIN! / Trending / Recent / New
Stats: 3,207,543 members, 7,999,371 topics. Date: Monday, 11 November 2024 at 06:18 AM

Who Can Solve This Simple, Yet Hard Aptitude Test Question - Jobs/Vacancies (5) - Nairaland

Nairaland Forum / Nairaland / General / Jobs/Vacancies / Who Can Solve This Simple, Yet Hard Aptitude Test Question (83918 Views)

Nigeria Immigration Service 2015 Recruitment Invitation For Aptitude Test / CITA Petroleum Aptitude Test Invitation / Kpmg Graduate Trainee Aptitude Test 2015 (2) (3) (4)

(1) (2) (3) (4) (5) (6) (7) (Reply) (Go Down)

Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by Nobody: 1:58pm On Apr 16, 2015
usmanktg2:
In base 5:
1 + 11 + 13 = 30
In base 7:
3 + 11 + 13 = 30
In base 9:
5 + 11 + 13 = 30
(Usman, 2015)
Base 5 doesn't have an 11 or 13, neither does base 7 or 9 smiley
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by Callmemike(m): 2:02pm On Apr 16, 2015
pkjag:
It's simple base addition let's use base 9:
So 99+99+99=30
Those who have done computer science or electrical engineering will get it, for those who don't, we operate using base10, so for base9 let's all calculations such as 4+4=8 are the same as base10, but when it comes to calculations like
9+9= 20, it's just like base2 where
12+12=10.

You see in base9 the number 9 is the last number, so there's no 10, so when you add the last numbers together you get 20 for arithmetic convenience, how? well in base9 there are 10 numbers: 0,1,2,3,4,5,6,7,8,9 so it'd expected that if you add the tenth number to itself it should give the twentieth number then if you add again it should give the thirtieth number.

Unfortunately sir, if you are doing an arithmetic in base 9, the highest number you will have is 8. So ccan you correct yourself and come up with your most astute solution?
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by george3132001(m): 2:03pm On Apr 16, 2015
11+11+3
Repeating no 11
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by Nobody: 2:04pm On Apr 16, 2015
Callmemike:

Unfortunately sir, if you are doing an arithmetic in base 9, the highest number you will have is 8. So ccan you correct yourself and come up with your most astute solution?
I already noted in the first page but people keep quoting this answer, follow my posts n you'll know where i stand, as i said earlier the mod should delete that post
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by strongboi(m): 2:10pm On Apr 16, 2015
The answer is NOBODY. Nobody can solve it.
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by thexzy(m): 2:14pm On Apr 16, 2015
CHM11:

This is good...thinking out of the box
really thinking out of the box....no be small thing
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by thexzy(m): 2:17pm On Apr 16, 2015
Callmemike:


Unfortunately sir, if you are doing an arithmetic in base 9, the highest number you will have is 8. So ccan you correct yourself and come up with your most astute solution?
That'ยง very true...the Highest No. Shud be 8 when in base 9

1 Like

Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by next2me: 2:29pm On Apr 16, 2015
(15)+(15)+( )=30
EASY AS ABC..........
[color=#000099][/color][b][/b]
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by ayuspearl: 2:34pm On Apr 16, 2015
quote author=emmyrichie post=32738316][ ] + [ ] + [ ] = 30

Fill the boxes using

(1, 3, 5, 7, 9, 11, 13, 15)

You can also repeat the nos.

[5+5 ] + [ 5+5] + [5+5 ] = 30[/font]
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by nembudziya(m): 2:35pm On Apr 16, 2015
emmyrichie:
[ ] + [ ] + [ ] = 30

Fill the boxes using

(1, 3, 5, 7, 9, 11, 13, 15)

You can also repeat the nos.

its preposterous adding up three odd numbers to get an even sum.
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by Wislet(f): 2:41pm On Apr 16, 2015
kingphilip:

As simple as this

[15]+[9]+[3!]=30



Op give this answer n thank me later
WONDER WHY NO ONE NOTICED THIS.
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by kayzeesoft(m): 2:46pm On Apr 16, 2015
My view
Solution 1 :
(15-9)+(13-7)+(7-1)+(9-1)+(13-9)=30
so from the solution we can get
6+6+6+8+4 = 30

Solution 2 :
3weeks+7days+11hrs+13hrs+1days = 30day

Solution 3 :
3!+3!+3!+3!+3!=30


with no repetitions
15+13-11+9+7-5+3-1
15+13-11+9+7-3
15+13-9+7+3+1
15+13-9+7+5-1
15+13-7+5+3+1
15+13+3-1
15+13+5-3
15+13+7-5
15+13+9-7
15+13+9-5-3+1
15+13+11-9-7+5+3-1
15+13+11-9
15+13+11-9+7-5-3+1
15+13+11-7-5+3
15+13+11-7-3+1
15+13+11-5-3-1
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by Nobody: 2:47pm On Apr 16, 2015
[11] + [9] + [15-5] = 30
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by shosomtin: 2:50pm On Apr 16, 2015
[quote author=nembudziya post=32786187]

ENI TO BA PA OWE NILE ANA, LO MA TUMO E... SHIKENAH!

1 Like

Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by Amazo: 2:52pm On Apr 16, 2015
emmyrichie:
[ ] + [ ] + [ ] = 30

Fill the boxes using

(1, 3, 5, 7, 9, 11, 13, 15)

You can also repeat the nos.


[15] + [15] + [0] = 30

Because [ ] = [0]
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by seyi4nig: 3:01pm On Apr 16, 2015
According to my bby. If you count the digits in the bracket its 8 in number. U re asked to use the figures in the bracket. Hence 8+11+11=30 since repeating no is allowed.
Thanks.

Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by Amazo: 3:03pm On Apr 16, 2015
obum88:
[15]+[13]+[7]= 30

grin
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by Nobody: 3:19pm On Apr 16, 2015
This is a question to test our reasoning capacity. Not all questions have specific answers...and this is one of those questions.

You cannot add THREE WHOLE ODD NUMBERS and obtain A WHOLE EVEN NUMBER.This is a question to test our reasoning capacity. Not all questions have specific answers...and this is one of those questions.

You cannot add THREE WHOLE ODD NUMBERS and obtain A WHOLE EVEN NUMBER.This is a question to test our reasoning capacity. Not all questions have specific answers...and this is one of those questions.

You cannot add THREE WHOLE ODD NUMBERS and obtain A WHOLE EVEN NUMBER.
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by Nobody: 3:21pm On Apr 16, 2015
500samuel:


u just dey manufacture figure... u try no be small

grin grin
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by formular123triol(m): 3:25pm On Apr 16, 2015
doug:
Nobody can solve this, there is no way in the world that you can get an even number from summing up 3 odd numbers. grin
You are a bloody liar,for the fact that you don't know it,doesn't mean you should commit falacy of instinct generalization,ok?
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by Nobody: 3:26pm On Apr 16, 2015
abrahamsom:
This is a question to test our reasoning capacity. Not all questions have specific answers...and this is one of those questions.

You cannot add THREE WHOLE ODD NUMBERS and obtain A WHOLE EVEN NUMBER.This is a question to test our reasoning capacity. Not all questions have specific answers...and this is one of those questions.

You cannot add THREE WHOLE ODD NUMBERS and obtain A WHOLE EVEN NUMBER.This is a question to test our reasoning capacity. Not all questions have specific answers...and this is one of those questions.

You cannot add THREE WHOLE ODD NUMBERS and obtain A WHOLE EVEN NUMBER.


Bam!!!!! This is the answer!!!!!!!!!!!!!!!!!!

Weldone...
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by adeememman(m): 3:26pm On Apr 16, 2015
(5+5) + (5+5) + (5+5) =30
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by Nobody: 3:40pm On Apr 16, 2015
3! + 9 + 15 = 30
3! = 6
#Lobatan
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by Dotunwa(m): 3:40pm On Apr 16, 2015
abrahamsom:
This is a question to test our reasoning capacity. Not all questions have specific answers...and this is one of those questions.

You cannot add THREE WHOLE ODD NUMBERS and obtain A WHOLE EVEN NUMBER.This is a question to test our reasoning capacity. Not all questions have specific answers...and this is one of those questions.

You cannot add THREE WHOLE ODD NUMBERS and obtain A WHOLE EVEN NUMBER.This is a question to test our reasoning capacity. Not all questions have specific answers...and this is one of those questions.

You cannot add THREE WHOLE ODD NUMBERS and obtain A WHOLE EVEN NUMBER.



U did not tell us about the fact that this is a test of reasoning when ure asking the question.
This is a mathematical problem for which we provided theoretical mathematical answers.
Belive me its you dat wrong. If you dont agree with me prove that my answer is mathematicall wrong.

[15] + [15] + [ ] = 30.

Ill await your reply!
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by Ibime(m): 4:05pm On Apr 16, 2015
3 odd numbers can never add up to an even number so why try?
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by formular123triol(m): 4:15pm On Apr 16, 2015
Firstly,
Logic is a subset of mathematics
Mathematics is a fundamental of reasoning
Reasoning is the vital aspect of Intelligent Quotient(I.Q)

In logic/reasoning questions,sometimes you need not make use of all the information given,as this might be a tentative way of deceit.You know,they want to test how intelligent you are by confusing you.

For this particular question,the fact that they said use any/all of the digits doesn't mean they may appear in the box,so first approach is to do away with the last statement on the question.
Secondly,if you observe those digits,they form a SERIES in an ARITHMETIC PROGRESSION(A.P) with a Common Difference(d) of 2.Similarly,the three digits required must also form an A.P with common difference of 2.From knowledge of Series,Tn=a+(n-1)d and Sn=n/2[2a+(n-1)d],where Tn is the nth term,Sn is the sum of the first n-terms,a is the first term and d is the common difference.From the series given,a=1,d=2,Sn=30(given),n=3 because we need three unknown digits.Furthermore,fixing these values in the formular Sn=n/2[2a+(n-1)d] we get 30=3/2[2a+(3-1)2] which gives a=8(i.e the first digit of the second series to be formed is cool.To get the remaining two digits,add 2 consecutively in this order:8,8+2=10,10+2=12;which gives the required series adding 8,10,12 together,we have 30.

NB:The reason why they asked us to use all the numbers in the given series 1,3,5,7,9,11,13,15 is for us to deduce the parameters required to derive the second series 8,10,12 which we did unravelled above.I hope we all got it,thanks!!!

1 Like 1 Share

Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by kingphilip(m): 4:17pm On Apr 16, 2015
charlito94:
Its an addition not subtraction
Ans: 15+9+11= 30

Simple
this is 35 now
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by kingphilip(m): 4:19pm On Apr 16, 2015
nekaa:
the full question stated factorial shouldnt be used
but the question given to us does not specify that
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by kingphilip(m): 4:21pm On Apr 16, 2015
sungyong:
op solve it yourself
no Mind d olodo na just to laugh him sabi

1 Like

Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by kingphilip(m): 4:43pm On Apr 16, 2015
Wislet:
WONDER WHY NO ONE NOTICED THIS.
tnx dear I appreciate ur complement
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by kingphilip(m): 4:45pm On Apr 16, 2015
kayzeesoft:
My view
Solution 1 :
(15-9)+(13-7)+(7-1)+(9-1)+(13-9)=30
so from the solution we can get
6+6+6+8+4 = 30

Solution 2 :
3weeks+7days+11hrs+13hrs+1days = 30day

Solution 3 :
3!+3!+3!+3!+3!=30


with no repetitions
15+13-11+9+7-5+3-1
15+13-11+9+7-3
15+13-9+7+3+1
15+13-9+7+5-1
15+13-7+5+3+1
15+13+3-1
15+13+5-3
15+13+7-5
15+13+9-7
15+13+9-5-3+1
15+13+11-9-7+5+3-1
15+13+11-9
15+13+11-9+7-5-3+1
15+13+11-7-5+3
15+13+11-7-3+1
15+13+11-5-3-1
we have only 3 boxes where did u borrow others from
Re: Who Can Solve This Simple, Yet Hard Aptitude Test Question by kingphilip(m): 4:47pm On Apr 16, 2015
emmyrichie:


grin grin
op solve it n stop shining ur teeth

(1) (2) (3) (4) (5) (6) (7) (Reply)

2016/2017 NLNG Overseas Postgraduate Scholarship / WAEC: Invitation For Aptitude Test Roll In / NBC Management Trainee 2017 DragnetNG

(Go Up)

Sections: politics (1) business autos (1) jobs (1) career education (1) romance computers phones travel sports fashion health
religion celebs tv-movies music-radio literature webmasters programming techmarket

Links: (1) (2) (3) (4) (5) (6) (7) (8) (9) (10)

Nairaland - Copyright © 2005 - 2024 Oluwaseun Osewa. All rights reserved. See How To Advertise. 39
Disclaimer: Every Nairaland member is solely responsible for anything that he/she posts or uploads on Nairaland.