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GMAT prep PT1 - Integer

Expert replies
Source: — Problem Solving |

Re: GMAT prep PT1 - Integer

by kamu » Tue Mar 03, 2009 6:34 am
joyseychow wrote:I don't understand why answer is C and not B.

Hi,

for n(n+1)>15 we get 4*5=20

for n(n+1<200 we get 13*14=192

Regards.
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