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VP
Joined: 13 Jun 2004
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The product of the units digit, the tens digit, and the [#permalink]
 18 Oct 2004, 19:08
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The product of the units digit, the tens digit, and the hundreds digit of the positive integer m is 96. What is the units digit of m?
(1) m is odd.
(2) The hundreds digit of m is 8
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Manager
Joined: 18 Sep 2004
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Ans A
From statement 1 we know that 96 = 2x2x2x2x2x3 And if the m is odd then the units digit must be 3 as 3 is the only odd factor of 96
From statement 2 we know that the m begins w/ 8 but could be 834, 843, 862 or 826
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VP
Joined: 13 Jun 2004
Posts: 1135
Location: London, UK
Schools: Tuck'08
Followers: 5
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OA is A 
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