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# How many days after the purchase of Product X does its stand

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How many days after the purchase of Product X does its stand [#permalink]  18 Mar 2012, 04:25
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Question Stats:

71% (01:39) correct 28% (00:43) wrong based on 7 sessions
How many days after the purchase of Product X does its standard warranty expire? (1997 is not a leap year.)

(1) When Mark purchased Product X in January 1997, the warranty did not expire until March 1997.
(2) When Santos purchased Product X in May 1997, the warranty expired in May 1997.

If someone can explain, I would be grateful.
[Reveal] Spoiler: OA

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Last edited by Bunuel on 18 Mar 2012, 06:29, edited 1 time in total.
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Re: How many days after the purchase of Product X does its stand [#permalink]  18 Mar 2012, 06:38
How many days after the purchase of Product X does its standard warranty expire? (1997 is not a leap year.)

(1) When Mark purchased Product X in January 1997, the warranty did not expire until March 1997 --> warranty period can vary from 29 days (the least possible warranty: from 31st of January to 1st of March) to 89 days (the greatest possible warranty: from 1st of January to 31st of March). Not sufficient.

(2) When Santos purchased Product X in May 1997, the warranty expired in May 1997 --> warranty period can vary from 1 day (the least possible warranty: from 1st of May to 2nd of May) to 30 days (the greatest possible warranty: from 1st of May to 31st of May). Not sufficient.

(1)+(2) Intersection of the warranty periods from (1) and (2) is 29 and 30 days, still two possible answers. Not sufficient.

Hope it's clear.
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Re: How many days after the purchase of Product X does its stand [#permalink]  18 Mar 2012, 09:37
Hi,

Heres my take on this

Statement 1 When Mark purchased Product X in January 1997, the warranty did not expire until March 1997

Maximum coverage period 90 days (Bought on 1 Jan Expires 31 March)
Minimum Coverage period : 30 days (Bought 31 Jan Expires 1 March )

Hence insufficient

Statement 2 When Santos purchased Product X in May 1997, the warranty expired in May 1997

Maximum coverage period 30 days (Bought on 1 May Expires 31 May)
Minimum Coverage period : 0 days (Bought 1 May Expires 1 May )

Combined also the statements not going to help thus Answer is E
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Re: How many days after the purchase of Product X does its stand   [#permalink] 18 Mar 2012, 09:37
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