I am in trouble, I have the answer but don't know h o w to get to it :(

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#1
Report 17 years ago
#1
Hello all,

I am in trouble. I have to do an online numerical test (part of an application process) and had trouble doing the sample ones

The sample ones are locates in those adresses:

http://www.kpmgcareers.co.uk/resourc...r_quiz/q3.html

http://www.kpmgcareers.co.uk/resourc...r_quiz/q7.html

http://www.kpmgcareers.co.uk/resourc...r_quiz/q8.html

In the bottom of the page, if you click on the "Our response" icon, you can see which one is the solution.
The problem is that I don't know h o w to get to the solution...

Many thanks for any help.
Much much appreciated.

Kelly.
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#2
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In country D, by what approximate percentage has the value of exports per employed individual increased between the years of 1994 and 1999?



pop in employment 1994 - 22.3 mil
pop in employment 1999 - 22.9 mil

consumer goods exports 1994 - 126 million euros
consumer goods exports 1999 - 154 million euros

value of exports per employed individual 1994 = 126 / 22.3 = 5.65
value of exports per employed individual 1999 = 154 / 22.9 = 6.72

6.72 / 5.65 = 18.9%

I might be wrong...
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gilyan
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#3
Report 17 years ago
#3
q3: reading off graph country C between 85 and 90, country A is 200

85:200 90:200
simplify simplify
1:2.35 1:2.2

best approx is 1:2.5
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gilyan
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#4
Report 17 years ago
#4
q7: these graphs are hard to read!
Country C 1994 between 90 and 95 mill
increase 20% per year for 3 years

90 x 1.2^3 = 155.52 increase of 65mill
95 x 1.2^3 = 180.576 increase of 75mill

best approximation 75million increase
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May I thank you both for all your help! Much appreciated!

Gilyan,

Q7:
I can see you are correct, but why do you multiply the Consumer goods exports with 1.2 ? When I was doing it I was multiplying it with .20 (for 20%)..

q3:
You are correct again! Do you mind explaining to me how you get from 85:200 90:200 to 1:2.35 1:2.2 ? What is the process in between?

Many thanks again!
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gilyan
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#6
Report 17 years ago
#6
Sorry, should have explained myself.

Increasing by 20%, so goes to 120% which is 1.2, happens 3 times (95,96,97) so to the power of 3 for final amount. It's just quicker - otherwise you find 20% add it on, do it again....

To simplify the ratio to 1:n you divide by the number on the left so 85:200 divide both sides by 85, for 90:200 divide both sides by 90.

Hope I'm making sense, and that you pass the test.
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#7
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Quite a fun, interesting puzzle
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