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Lee randomly selects a 2-digit prime number less than 50. What is the

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Lee randomly selects a 2-digit prime number less than 50. What is the  [#permalink]

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New post 18 Oct 2019, 00:00
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

81% (01:58) correct 19% (01:43) wrong based on 35 sessions

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Concentration: Sustainability, Marketing
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Re: Lee randomly selects a 2-digit prime number less than 50. What is the  [#permalink]

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New post 18 Oct 2019, 02:10
Bunuel wrote:
Lee randomly selects a 2-digit prime number less than 50. What is the probability that the tens digit is greater than the units digit?

A. 3/14
B. 3/11
C. 3/8
D. 1/2
E. 8/11



2 digit prime <50 ; 11,13,17,19,23,29,31,37,41,43,47 = 11
condition tens digit is greater than the units digit ; i.e 3 ; 31,41,43 ;
P = 3/11
IMO B
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Re: Lee randomly selects a 2-digit prime number less than 50. What is the   [#permalink] 18 Oct 2019, 02:10
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