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Y and Z are both positive numbers less than 1 . Is Y > Z [#permalink]

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15 May 2011, 14:57

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A

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C

D

E

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95% (hard)

Question Stats:

49% (02:32) correct
51% (01:45) wrong based on 102 sessions

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Y and Z are both positive numbers less than 1. Is Y > Z ?

(1) The hundredths digit of Y is greater than the tenths digit of Z and less than the hundredths digit of Z. (2) The thousandths digit of Y is greater than the hundredths digit of Y and less than the tenths digit of Y.

Re: Y and Z are both positive numbers less than 1 . Is Y > Z [#permalink]

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15 May 2011, 18:23

1) Insufficient Let Y =0.x2 where x is some digit. Z = 0.14 In this case we dont know the tenth digit of X. Hence insufficient

2) Insufficient Let Y = 0.312. This does not tell us anything about Z

1) + 2) Sufficient The answer is YES

Let Y = 0.524 Z = 0.13x

Hence C

fluke wrote:

\(Y\) and \(Z\) are both positive numbers less than \(1\). Is \(Y > Z\) ?

(1) The hundredths digit of \(Y\) is greater than the tenths digit of \(Z\) and less than the hundredths digit of \(Z\). (2) The thousandths digit of \(Y\) is greater than the hundredths digit of \(Y\) and less than the tenths digit of \(Y\).

Re: Y and Z are both positive numbers less than 1 . Is Y > Z [#permalink]

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15 May 2011, 20:03

To find the answer it is imp to know the the relation between tenths digit of Y & Z. from both statement together we can get it. Hence =>C _________________

If you liked my post, please consider a Kudos for me. Thanks!

Re: Y and Z are both positive numbers less than 1 . Is Y > Z [#permalink]

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20 Aug 2011, 05:36

+1 for C.

Let Y = 0.cde Let Z = 0.rst

Statement I: d > r ; d < s : Insufficient as we need relationship between c and r. Statement II: e> d;e < c : Insufficient as we need relationship between c and r.

I and II together : c > e > d > r => Y > Z. Hence C

Re: Y and Z are both positive numbers less than 1 . Is Y > Z [#permalink]

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05 Dec 2014, 23:48

Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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