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# What is the value of the integer K? (1) K is a 3-digit prime number.

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What is the value of the integer K? (1) K is a 3-digit prime number.  [#permalink]

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Updated on: 27 Mar 2019, 01:36
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72% (00:52) correct 28% (00:42) wrong based on 29 sessions

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What is the value of the integer K?

(1) K is a 3-digit prime number.

(2) 88<=K<=102

Source : Barron's GMAT

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"Do not watch clock; Do what it does. KEEP GOING."

Originally posted by AkshdeepS on 27 Mar 2019, 01:30.
Last edited by Bunuel on 27 Mar 2019, 01:36, edited 1 time in total.
Moved to DS forum
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Posts: 7958
Re: What is the value of the integer K? (1) K is a 3-digit prime number.  [#permalink]

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27 Mar 2019, 07:23
What is the value of the integer K?

(1) K is a 3-digit prime number.
There will be lot of prime numbers between 100 and 1000
Insuff

(2) 88<=K<=102
K could b e88, 89, ..101,102.
Again no unique value.
Insuff

combined.
3-digit number are 100, 101 and 102. 100 and 102 are surely not prime numbers, so 101 is the answer.
Suff

C
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Re: What is the value of the integer K? (1) K is a 3-digit prime number.  [#permalink]

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27 Mar 2019, 08:31
AkshdeepS wrote:
What is the value of the integer K?

(1) K is a 3-digit prime number.

(2) 88<=K<=102

Source : Barron's GMAT

#1
clearly not sufficeint
as prime no can be many with 3 digit starting 101
#2
again k can have 102-88 +1 ; 15 values in sufficeint
From 1& 2
101 only possible
IMO C
Re: What is the value of the integer K? (1) K is a 3-digit prime number.   [#permalink] 27 Mar 2019, 08:31
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