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# M07 #25

Author Message
Current Student
Joined: 15 Jul 2010
Posts: 246

Kudos [?]: 250 [0], given: 65

GMAT 1: 750 Q49 V42

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14 Nov 2010, 17:11
If 40% of unsuccessful requests for promotion are repeated within 6 months and 25% of requests for promotion are successful, what percentage of requests for promotion in any 6 month period would be the first attempt?

A. 30
B. 40
C. 50
D. 60
E. 70

This question doesn't make sense to me.
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Kudos [?]: 250 [0], given: 65

Manager
Joined: 11 Jul 2010
Posts: 222

Kudos [?]: 109 [0], given: 20

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15 Nov 2010, 05:43
70%

25% ---> successful promos

60% of 75% ----> unsuccessful promos not repeated

1/4 + 3/5 * 3/4 = 14/20 = 70%

Kudos [?]: 109 [0], given: 20

Manager
Joined: 23 Nov 2009
Posts: 89

Kudos [?]: 43 [0], given: 14

Schools: Wharton..:)

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15 Nov 2010, 09:08
If 40% of unsuccessful requests for promotion are repeated within 6 months and 25% of requests for promotion are successful, what percentage of requests for promotion in any 6 month period would be the first attempt?

A. 30
B. 40
C. 50
D. 60
E. 70

--------------------------------------------------------------------------------------------------------------ans) suppose there are 100 requests in a month :: 100=successful+ unsuccessful
25% of requests for promotion are successful= 25 ppl..
remaining (100-25) are unsuccessful and 40% of 75 ppl is repeated so tht means rest 60% is not repeated
so 60%=3/5 *75=45 ppl
so 45+25=70 ans..
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Kudos [?]: 43 [0], given: 14

Re: M07 #25   [#permalink] 15 Nov 2010, 09:08
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# M07 #25

Moderator: Bunuel

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