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the 78th term of the sequence

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the 78th term of the sequence [#permalink] New post   23 Aug 2022, 04:10
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Question Stats:

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.25, .5, .75, 1, 1.25, 1.5, 1.75, 2, . . .

Quantity A
Quantity B
the 78th term of the sequence
19.5



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

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C
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eligold
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Re: the 78th term of the sequence [#permalink] New post   23 Aug 2022, 09:42
1
Series is AP with a = 0.25 and d =0.25

Term n = a +(n-1)d
Term 78 = 0.25 +77*0.25 = 19.5

Answer is C
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RaWan29
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Re: the 78th term of the sequence [#permalink] New post   24 Aug 2022, 05:25
1
We can rewrite the sequence as
1*0.25, 2*0.25, 3*0.25,..., 77*0.25, 78*0.25,...
taking the 78th term, 78*0.25= 19.5
Therefore, C is the answer.
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gmatclubot
Re: the 78th term of the sequence [#permalink]
24 Aug 2022, 05:25
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