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## section 18, question 10, 1000DS

This topic has 1 expert reply and 4 member replies
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#### section 18, question 10, 1000DS

Sun Jan 28, 2007 4:28 pm
10. What digit does t represent in the decimal 0.t73 ?
(1) t < 5
(2) 0.t73 < 1/t

I though it was B. Couldn't t be "0" in that case 0.073 is < 1/t in all the other instances 0.t73 will always be > 1/t

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Tue Feb 13, 2007 2:09 pm
oh I see, thanks!

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Mark Dabral Guest
Tue Feb 13, 2007 1:59 pm

Statement 2:

Given fact 0.t73 < 1/t

Example 1: t=1, 0.173 < 1/1 or 0.173 < 1 (True)
Therefore, t=1 is one possible value of t.

Example 2: t=2, 0.273 < 1/2 or 0.273 < 0.5 (Again True)
Therefore, t=2 is another possible value of t.

No unique value for t, therefore Statement 2 is not sufficient.

Mark

banona Senior | Next Rank: 100 Posts
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Mon Feb 05, 2007 2:11 pm
Hi,
I think my answer may com late, but I hope I coul make a contribution to anderstand why your answer is wrong
well consider the question :
10. What digit does t represent in the decimal 0.t73 ?
(1) t < 5 ( is insuffisant)

(2) 0.t73 < 1/t ( is insuffisant to because we have two possibilities for t that could realize that condition, for instance 1 and 2 ARE POSSIBLE VALUES FOR t)

THERFORE, NO ONE IS SUFFISANT AND ANSWER IS E

Regarding your remark about t =0 ( I THING the question maker implyes that t is different from 0 otherwise they could never write 1/t) and this is never a trick in a GMAT

does anybody have a comment;
Gook luck

### GMAT/MBA Expert

Stacey Koprince GMAT Instructor
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Wed Feb 07, 2007 10:53 pm
The real test never uses 1/0 and if it gives us variables on the bottom of fractions, it tells us whatever is necessary to ensure that we won't have 1/0 as a possibility. (So this one for example would have said that x is not zero.) So, basically, don't study this question.

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Joined
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Tue Feb 13, 2007 1:48 pm
banona wrote:
Hi,
I think my answer may com late, but I hope I coul make a contribution to anderstand why your answer is wrong
well consider the question :
10. What digit does t represent in the decimal 0.t73 ?
(1) t < 5 ( is insuffisant)

(2) 0.t73 < 1/t ( is insuffisant to because we have two possibilities for t that could realize that condition, for instance 1 and 2 ARE POSSIBLE VALUES FOR t)

THERFORE, NO ONE IS SUFFISANT AND ANSWER IS E

Regarding your remark about t =0 ( I THING the question maker implyes that t is different from 0 otherwise they could never write 1/t) and this is never a trick in a GMAT

does anybody have a comment;
Gook luck
but for B) there are not two posibilities: it can only be "1" since "2" would make 0.t73>than1/2 (0.5 is> than 0.273)
...I am still confused

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