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

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

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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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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 %
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Who says elephants can't dance?

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22 Mar 2005, 19:18
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
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i hate when people do'nt post the OA, it leaves in guessing!!!!

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23 Mar 2005, 00:39
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?

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23 Mar 2005, 08:09
I got the same over my head...but when I read kapslock I felt suddendly
23 Mar 2005, 08:09
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