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The least prime number greater than 24

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The least prime number greater than 24 [#permalink] New post 07 Sep 2017, 13:42
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Question Stats:

66% (00:12) correct 33% (00:06) wrong based on 27 sessions
Quantity A
Quantity B
The least prime number
greater than 24
The greatest prime number
less than 28


A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.


Practice Questions
Question: 1
Page: 110
Difficulty: easy
[Reveal] Spoiler: OA

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Moderator
Moderator
User avatar
Joined: 18 Apr 2015
Posts: 5130
Followers: 77

Kudos [?]: 1029 [0], given: 4636

CAT Tests
Re: The least prime number greater than 24 [#permalink] New post 07 Sep 2017, 13:44
Expert's post
Explanation

For the integers greater than 24, note that 25, 26, 27, and 28 are not prime numbers, but 29 is a prime number, as are 31 and many other greater integers.Thus, 29 is the least prime number greater than 24, and Quantity A is 29. For the integers, less than 28, note that 27, 26, 25, and 24 are not prime numbers, but 23 is a prime number, as are 19 and several other lesser integers. Thus, 23 is the greatest prime number less than 28, and Quantity B is 23. The correct answer is Choice A, Quantity A is greater.
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Re: The least prime number greater than 24   [#permalink] 07 Sep 2017, 13:44
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The least prime number greater than 24

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