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# X and Y are positive numbers. Is the hundredth digit of XY

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Intern
Status: pg
Joined: 09 Dec 2011
Posts: 16

Kudos [?]: 6 [0], given: 1

Location: Brazil
Schools: Tuck '16 (M)
X and Y are positive numbers. Is the hundredth digit of XY [#permalink]

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06 Jun 2012, 13:38
00:00

Difficulty:

35% (medium)

Question Stats:

86% (00:46) correct 14% (01:00) wrong based on 7 sessions

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X and Y are positive numbers. Is the hundredth digit of XY greater than 6?

(1) The tenth digit of X is greater than 2.
(2) The tenth digit of y is greater than 3.
[Reveal] Spoiler: OA

Kudos [?]: 6 [0], given: 1

Intern
Joined: 19 May 2012
Posts: 9

Kudos [?]: 2 [1], given: 1

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06 Jun 2012, 13:58
1
KUDOS
I just started my GMAT preparation and this is my first post. So please correct/guide me if I am being wrong

I think, for this kind of questions, you just have to substitute some random numbers and test the given statements. By picking X=31, and Y=41, XY=1271; the given condition becomes False. But, if you pick X=61, and Y=61, XY=3721; the condition becomes True.

So the answer is E. Always be careful while picking up the numbers and do bunch of iterations and also keep your eye on the clock.

Kudos [?]: 2 [1], given: 1

Intern
Status: pg
Joined: 09 Dec 2011
Posts: 16

Kudos [?]: 6 [0], given: 1

Location: Brazil
Schools: Tuck '16 (M)

### Show Tags

06 Jun 2012, 14:05
pmikki wrote:
I just started my GMAT preparation and this is my first post. So please correct/guide me if I am being wrong

I think, for this kind of questions, you just have to substitute some random numbers and test the given statements. By picking X=31, and Y=41, XY=1271; the given condition becomes False. But, if you pick X=61, and Y=61, XY=3721; the condition becomes True.

So the answer is E. Always be careful while picking up the numbers and do bunch of iterations and also keep your eye on the clock.

But what worries me is that it takes time if you pick the wrong numbers, but thanks for the help

Kudos [?]: 6 [0], given: 1

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# X and Y are positive numbers. Is the hundredth digit of XY

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