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a, b, c, d, e An arithmetic sequence is a sequence in which each te
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11 Aug 2021, 01:23
11 Aug 2021, 01:23
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a, b, c, d, e
An arithmetic sequence is a sequence in which each term after the first is equal to the sum of the preceding term and a constant. If the list of numbers shown above is an arithmetic sequence, which of the following must also be an arithmetic sequence?
I. \(a − 3, b − 3, c − 3, d − 3, e − 3\)
II. \(a^3, b^3, c^3, d^3, e^3\)
III. \(4a, 4b, 4c, 4d, 4e
\)
(A) I only
(B) II only
(C) III only
(D) I and II
(E) I and III
Kudos for the right answer and explanation
Question part of the project GRE Quant/Math Extreme Challenge Daily (2021) Edition
GRE - Math Book
An arithmetic sequence is a sequence in which each term after the first is equal to the sum of the preceding term and a constant. If the list of numbers shown above is an arithmetic sequence, which of the following must also be an arithmetic sequence?
I. \(a − 3, b − 3, c − 3, d − 3, e − 3\)
II. \(a^3, b^3, c^3, d^3, e^3\)
III. \(4a, 4b, 4c, 4d, 4e
\)
(A) I only
(B) II only
(C) III only
(D) I and II
(E) I and III
Kudos for the right answer and explanation
Question part of the project GRE Quant/Math Extreme Challenge Daily (2021) Edition
GRE - Math Book
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Re: a, b, c, d, e An arithmetic sequence is a sequence in which each te
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11 Aug 2021, 01:51
11 Aug 2021, 01:51
1
Going by the definition given in the question only II doesn't fit the description. II is a geometric progression.
The correct answer is E
The correct answer is E
gmatclubot
Re: a, b, c, d, e An arithmetic sequence is a sequence in which each te [#permalink]
11 Aug 2021, 01:51
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