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If the units digit of the three-digit positive integer k is

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Manager
Joined: 04 Jan 2008
Posts: 117
If the units digit of the three-digit positive integer k is [#permalink]

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06 Sep 2008, 00:32
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If the units digit of the three-digit positive integer k is nonzero, what is the tens digit of k?

(1) The tens digit of k + 9 is 3.
(2) The tens digit of k + 4 is 2.

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Director
Joined: 23 Sep 2007
Posts: 767

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06 Sep 2008, 00:43
dancinggeometry wrote:
If the units digit of the three-digit positive integer k is nonzero, what is the tens digit of k?

(1) The tens digit of k + 9 is 3.
(2) The tens digit of k + 4 is 2.

A

statement 1: 121 <= k <= 129, suff

statement 2: 116 <= k <= 125, insuff
Manager
Joined: 26 Mar 2008
Posts: 96
Schools: Tuck, Duke

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06 Sep 2008, 13:07
Agree with above explanation
IMO A
Manager
Joined: 04 Jan 2008
Posts: 117

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06 Sep 2008, 23:31
OA is A. Bin 3 problem.

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Re: Zumit DS 011   [#permalink] 06 Sep 2008, 23:31
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