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If x=0.rstu, where r,s,t,u each represents a nonzero digit

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If x=0.rstu, where r,s,t,u each represents a nonzero digit [#permalink]

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New post 31 Mar 2008, 10:10
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If x=0.rstu, where r,s,t,u each represents a nonzero digit of x, what is the value of x?

1) r=3s=2t=6u

2) The product of r and u is equal to the product of s and t.

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Re: GM prep [#permalink]

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New post 31 Mar 2008, 10:24
If x=0.rstu, where r,s,t,u each represents a nonzero digit of x, what is the value of x?

1) r=3s=2t=6u

if 6u = r and both are integers u must be 1
r = 6, s = 2, t = 3, u = 1

2) The product of r and u is equal to the product of s and t.

nothing says the digits are different, r,u,s,t could all equal 1,2,etc
not enough info

Only 1 answers the question
Re: GM prep   [#permalink] 31 Mar 2008, 10:24
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If x=0.rstu, where r,s,t,u each represents a nonzero digit

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