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

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Joined: 10 Dec 2004
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If the units digit of the three-digit positive integer k is [#permalink]

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18 Jan 2005, 20:44
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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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18 Jan 2005, 21:09
A.
statement I is sufficient.

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18 Jan 2005, 21:34
A.
Statement i is sufficient.

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VP
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18 Jan 2005, 22:05
A is sufficient

k = xyz + 9 ...with z > 0....we will have a carry over of 1 ...so y+1 = 3..so y = 2

In 2 ...we don't know if we will carry over or not...insuff

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18 Jan 2005, 22:05
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# If the units digit of the three-digit positive integer k is

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