Gmat prep: is the hundredths of the decimal d >5?

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Hano: Junior | Next Rank: 30 Posts; Posts: 29; Joined: Sat Nov 10, 2007 6:49 pm

by Hano » Mon Dec 03, 2007 9:24 pm

is the hundredths of the decimal d >5?

1) the tenths digit of 10d is 7.
2) the thousandths digit of d/10 is 7.

Explanation would be appreciated.

Source: Beat The GMAT — Data Sufficiency | Mon Dec 03, 2007 9:24 pm

Hano: Junior | Next Rank: 30 Posts; Posts: 29; Joined: Sat Nov 10, 2007 6:49 pm

by Hano » Tue Dec 04, 2007 6:32 pm

The ans is D, thanks.

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