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Good question..

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Source: — Data Sufficiency |
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by amitabhprasad » Fri Nov 07, 2008 7:03 am
This question is already discussed look at this post
https://www.beatthegmat.com/gmatprep-q26 ... 16503.html
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by ramyaravindran » Fri Nov 07, 2008 7:06 am
The answer should be B.

10 times R will always cause the resulting value to have a trailing zero. For example if R is 62 then 10R is 620 and if we know the hundreds digit, then we can find out the tens digit of the original integer.
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by jimmiejaz » Fri Nov 07, 2008 7:25 am
amitabhprasad wrote:This question is already discussed look at this post
https://www.beatthegmat.com/gmatprep-q26 ... 16503.html
thanks a lot ....
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Re: Good question..

by logitech » Fri Nov 07, 2008 10:26 am
jimmiejaz wrote:What is the tens digit of positive integer R?

1. The tens digit of R/10 is 3.
2) The hundreds digit of 10R is 6.

Dont have the OA though.....
1) Unit digit is 3 = insuf

13,43,1892183, and etc


2) Ten digit is 6 - suf

62 x10 = 620

B

Keep it simple! ;-_)
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