number properties

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Source: — Data Sufficiency |

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by sam2304 » Thu Jan 12, 2012 9:42 pm
sud21 wrote:Is the tenth digit of x 0?
1). 16x is an integer
2). 8x is an integer
Either i don't understand the question completely or the answer is E. Can someone explain this question ?
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by avik.ch » Thu Jan 12, 2012 9:48 pm
sam2304 wrote:
sud21 wrote:Is the tenth digit of x 0?
1). 16x is an integer
2). 8x is an integer
Either i don't understand the question completely or the answer is E. Can someone explain this question ?

I too cannot comprehend it properly. What is the source of this problem ?

Can an expert please help us on this.