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# A company sells item X and Y at different discount before

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BSchool Forum Moderator
Joined: 29 Jan 2015
Posts: 1468
Location: India
WE: General Management (Non-Profit and Government)
A company sells item X and Y at different discount before  [#permalink]

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11 Sep 2019, 09:08
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Difficulty:

55% (hard)

Question Stats:

62% (02:02) correct 38% (01:42) wrong based on 91 sessions

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A company sells item X and Y at different discount before the Christmas sale. During the Christmas sale, additional percent were deducted from the discount price. The total percent discount on item X is how much greater than the total percent discount on item Y?

(1) Before the Christmas sale, the discount on item X is twice the discount on item Y.

(2) During the Christmas sale, the additional discount on item X is 5% greater than the additional discount on item Y.
Math Expert
Joined: 02 Sep 2009
Posts: 59722
Re: A company sells item X and Y at different discount before  [#permalink]

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09 Dec 2019, 02:02
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BUMPING FOR DISCUSSION.
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Intern
Joined: 19 Apr 2018
Posts: 14
Location: India
Schools: ISB '20
Re: A company sells item X and Y at different discount before  [#permalink]

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10 Dec 2019, 17:36
Dear @Bunnuel,

The pre-Christmas Discount on Y is 10 % and therefore on X will be 20%

If additional discount on Y is 10%, addl discount on X shall be 5% of 10%

Cant we use these both to find the answer? or Assuming what data provided is wrong?
Manhattan Prep Instructor
Joined: 04 Dec 2015
Posts: 854
GMAT 1: 790 Q51 V49
GRE 1: Q170 V170
Re: A company sells item X and Y at different discount before  [#permalink]

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10 Dec 2019, 18:28
1
Dear @Bunnuel,

The pre-Christmas Discount on Y is 10 % and therefore on X will be 20%

If additional discount on Y is 10%, addl discount on X shall be 5% of 10%

Cant we use these both to find the answer? or Assuming what data provided is wrong?

Where did you get the 10% figure? If that's a case that you tested, bear in mind that you need to test more than one different case! If different cases give you different results, then the statement is insufficient.
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Re: A company sells item X and Y at different discount before   [#permalink] 10 Dec 2019, 18:28
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