Square Root of r

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Source: — Data Sufficiency |

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by kstv » Thu Mar 11, 2010 3:41 am
If square root of r is a positive integer , what is the value of r ?

I. r < 70

II.(square root of r ) > 7

II . r > 49 so possible values of r 64, 81

I. r< 70

IMO C

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by blaster » Thu Mar 11, 2010 4:50 am
IMO: C

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by Haldiram Bhujiawala » Thu Mar 11, 2010 11:05 am
OAC

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by STEVEN SPIELBERG » Sat Mar 13, 2010 11:44 am
Haldiram Bhujiawala wrote:OAC
What's the source ?
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