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If a positive integer k is divisible by both 3 and 7, then k must also
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09 Sep 2022, 09:07
09 Sep 2022, 09:07
Expert Reply
00:00
Question Stats:
80% (00:24) correct
20% (00:51) wrong based on 10 sessions
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If a positive integer k is divisible by both 3 and 7, then k must also be divisible by which of the following?
I. 10
II. 21
III. 42
(A) None
(B) I only
(C) II only
(D) I and II
(E) II and III
I. 10
II. 21
III. 42
(A) None
(B) I only
(C) II only
(D) I and II
(E) II and III
Part of the project: GRE QCQ & PS 3 Questions Every One DAILY Challenge - (2022) - Gain 20 Kudos & Get FREE Access to GRE Prep Club TESTS
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2506
Given Kudos: 1055
GPA: 3.39
Re: If a positive integer k is divisible by both 3 and 7, then k must also
[#permalink]
11 Sep 2022, 03:17
11 Sep 2022, 03:17
Expert Reply
If k is divisible by both 3 and 7, then it must be divisible by 21
Answer: C
Answer: C
gmatclubot
Re: If a positive integer k is divisible by both 3 and 7, then k must also [#permalink]
11 Sep 2022, 03:17
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