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Bob has a 24-sided die with an integer between 1 and 24 on each face.

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Joined: 02 Sep 2009
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Bob has a 24-sided die with an integer between 1 and 24 on each face.  [#permalink]

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New post 03 Jan 2019, 09:19
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

87% (01:13) correct 13% (01:07) wrong based on 43 sessions

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Joined: 26 Dec 2018
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Re: Bob has a 24-sided die with an integer between 1 and 24 on each face.  [#permalink]

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New post 03 Jan 2019, 09:28
Factors of 24 = 1,2,3,4,6,8,12,24 Total 8 No.s
8/24 = 1/3

Answer Option A is Correct
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Re: Bob has a 24-sided die with an integer between 1 and 24 on each face.  [#permalink]

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New post 06 Jan 2019, 05:52
Bunuel wrote:
Bob has a 24-sided die with an integer between 1 and 24 on each face. Every number is featured exactly once. When he rolls, what is the probability that the number showing is a factor of 24?

(A) 1/3
(B) 1/8
(C) 5/36
(D) 1/6
(E) 7/36



factor of 24 = 2^3 * 3^1 = (3+1)*(1+1) = 8
8/24 =
1/3
IMO A
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Re: Bob has a 24-sided die with an integer between 1 and 24 on each face.   [#permalink] 06 Jan 2019, 05:52
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Bob has a 24-sided die with an integer between 1 and 24 on each face.

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