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

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Director
Joined: 03 Sep 2006
Posts: 865

Kudos [?]: 1076 [0], given: 33

Is the hundredths digit of the decimal d greater than 5? (1) [#permalink]

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10 Dec 2006, 01:28
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Is the hundredths digit of the decimal d greater than 5?

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

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

Kudos [?]: 1076 [0], given: 33

Senior Manager
Joined: 24 Oct 2006
Posts: 339

Kudos [?]: 34 [0], given: 0

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10 Dec 2006, 10:22
LM wrote:
Is the hundredths digit of the decimal d greater than 5?

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

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

If d=x.xaxx, we need to know if a>5

s1: 10d=xx.7xx -- suff 'cause tenths digit is 7
s2:d/10=0.xx7xx -- suff 'cause thousandths digit is 7

So D is the ans

Kudos [?]: 34 [0], given: 0

Senior Manager
Joined: 20 Feb 2006
Posts: 373

Kudos [?]: 35 [0], given: 0

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10 Dec 2006, 12:53
D - same working as above

Kudos [?]: 35 [0], given: 0

10 Dec 2006, 12:53
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