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In a certain sequence, each term is generated by multiplying the previ
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28 Apr 2022, 01:00
28 Apr 2022, 01:00
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In a certain sequence, each term is generated by multiplying the previous term by 3, starting with 4. If the sum of the first k terms of the sequence is equal to 2 less than half the value of the (k + 1) term, and if the sum of the first k terms is 160, what is the value of k?
(A) 3
(B) 4
(C) 5
(D) 6
(E) 7
(A) 3
(B) 4
(C) 5
(D) 6
(E) 7
Part of the project: Skill Builder Project for a Q170
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GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials for a TOP Quant Score - Q170!!! (2021)
GRE Geometry Formulas for a Q170
GRE - Math Book
Re: In a certain sequence, each term is generated by multiplying the previ
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28 Apr 2022, 20:04
28 Apr 2022, 20:04
1
First term \(= 4\)
Each term is generated by multiplying the previous term by 3.
Series \(= 4, 12, 36, 108, 324, ...\)
The sum of the first \(k\) terms is \(160\) and from the above series we know that \(k = 4\)
Answer B
Each term is generated by multiplying the previous term by 3.
Series \(= 4, 12, 36, 108, 324, ...\)
The sum of the first \(k\) terms is \(160\) and from the above series we know that \(k = 4\)
Answer B
Re: In a certain sequence, each term is generated by multiplying the previ
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28 Aug 2024, 08:36
28 Aug 2024, 08:36
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