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Is the hundredths digit of the decimal d greater than 5? (1)

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Is the hundredths digit of the decimal d greater than 5? (1) [#permalink] New post 21 Nov 2007, 12:46
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A
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C
D
E

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Is the hundredths digit of the decimal d greater than 5?

(1) The tenths digit of 10d is 7.

(2) The thousands digit of d/10 is 7.













The OA is D. I know this can be an easy problem, but my problem is that I don't really understand what am I looking at. is d suppose to be any decimal after the whole number 10 or is d one of the decimal digits??
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 [#permalink] New post 21 Nov 2007, 12:54
Expert's post
d=abc.hefgkl

1. 10d=abch.7fgkl ==> e=7 suff

2. I guess "thousandths" instead "thousands"
d/10=ab.ch7fgkl ==> e=7 suff

D
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 [#permalink] New post 21 Nov 2007, 14:55
yeah you're right. that should've been "thousandths." i know this is an easy problem, but i just didn't know how to interpret both statement 1 and 2.

thanks!
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 [#permalink] New post 21 Nov 2007, 19:52
Yeah, answer is D:

A,BCD
1) AD,CD where C = 7 SUFF
2) 0,ABCD where C = 7 SUFF
  [#permalink] 21 Nov 2007, 19:52
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Is the hundredths digit of the decimal d greater than 5? (1)

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