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Exponent GMAT problem

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by papgust » Sat Jan 09, 2010 7:47 am
numerator can be factorized by,
10^2 (10^6 - 1) [10^6-1 is little less than 10^6. So we can approximate it by saying it's 10^6]

denominator can be factorized by,
10^3 (10^4 - 1) [10^4-1 is little less than 10^4. So we can approximate it by saying it's 10^4]

So,

10^2 * 10^6 10^2
----------------- = -------- = 10
10^3 * 10^4 10^1
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by onedayi'll » Sat Jan 09, 2010 9:09 am
Agreed with 'papgust'

Answer: 10
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