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# A person changed his job. The salary per hour increased 15%

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Intern
Joined: 22 Sep 2004
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A person changed his job. The salary per hour increased 15% [#permalink]  22 Mar 2005, 13:42
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A person changed his job. The salary per hour increased 15% and the work time per day decreased 10%. How did his per hour salary change?
Senior Manager
Joined: 15 Mar 2005
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Re: PS JOB [#permalink]  22 Mar 2005, 14:24
ttar wrote:
A person changed his job. The salary per hour increased 15% and the work time per day decreased 10%. How did his per hour salary change?

If x = sal per hour and y = time per day,

Initial per day salary = x * y

After change, x becomes 1.15 x
and y becomes 0.9 y

final per day salary = 1.15 * 0.9 x * y = 1.035 x*y

Comparing, the salary increased by 3.5 %
_________________

Who says elephants can't dance?

Manager
Joined: 07 Mar 2005
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i did'nt get the question properly, because it ask for how did salary per hour chage...............which as per the question is 15% increase!!!!

ttar kindly post the complete question with all the answer options
_________________

i hate when people do'nt post the OA, it leaves in guessing!!!!

Senior Manager
Joined: 15 Mar 2005
Posts: 421
Location: Phoenix
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Kudos [?]: 12 [0], given: 0

damned !!! I didn't even read the problem completely. This is called jumping the gun !!

Thanks for correcting me karun.

The question is either wrong or downright trivial
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Who says elephants can't dance?

Senior Manager
Joined: 19 Feb 2005
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Location: Milan Italy
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I got the same over my head...but when I read kapslock I felt suddendly
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