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Source: — Data Sufficiency |
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by mals24 » Tue Sep 23, 2008 3:26 am
IMO B

St 1. 16x = integer

16*(1/16)=integer

1/16 = 0.06----tenths digit is 0

16*(1/2)=integer
1/2=0.5------tenths digit is 5

St 1----INSUFF

St2. 8x=integer
8*(1/8 )=integer
1/8=0.125----tenths digits is 1

8*(1/2)=integer
1/2=0.5-----tenths digits is 5

St 2 is SUFF

Hence the answer is B
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