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# a number is drawn at random from the first 1000 positive integers

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Manager
Joined: 08 Jul 2017
Posts: 51
GMAT 1: 620 Q48 V29
a number is drawn at random from the first 1000 positive integers  [#permalink]

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22 Nov 2019, 12:22
00:00

Difficulty:

55% (hard)

Question Stats:

20% (01:11) correct 80% (00:58) wrong based on 5 sessions

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If a number is drawn at random from the first 1000 positive integers, what is the probability of selecting a refined
number?
(1) Any refined number must be divisible by 22.
(2) A refined number is any even multiple of 11.

Math Expert
Joined: 02 Sep 2009
Posts: 59622
Re: a number is drawn at random from the first 1000 positive integers  [#permalink]

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22 Nov 2019, 13:05
robu1 wrote:
If a number is drawn at random from the first 1000 positive integers, what is the probability of selecting a refined
number?
(1) Any refined number must be divisible by 22.
(2) A refined number is any even multiple of 11.

Discussed here: https://gmatclub.com/forum/if-a-number- ... 23499.html
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Re: a number is drawn at random from the first 1000 positive integers   [#permalink] 22 Nov 2019, 13:05
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