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Data Sufficiency

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Intern
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Joined: 01 Jun 2019
Posts: 2
Data Sufficiency  [#permalink]

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New post 06 Aug 2019, 01:18
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a1 , a2 , a3 , . . . , a15

In the sequence shown, an = an – 1 + k, where 2 ≤ n ≤ 15 and k is a nonzero constant. How many of the terms in the sequence are greater than 10 ?

(1) a1 = 24
(2) a8 = 10

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT sufficient.



can someone expalin me how is the answer option b
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Joined: 02 Sep 2009
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Re: Data Sufficiency  [#permalink]

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New post 06 Aug 2019, 01:21
Harsh121098 wrote:
a1 , a2 , a3 , . . . , a15

In the sequence shown, an = an – 1 + k, where 2 ≤ n ≤ 15 and k is a nonzero constant. How many of the terms in the sequence are greater than 10 ?

(1) a1 = 24
(2) a8 = 10

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT sufficient.



can someone expalin me how is the answer option b


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Re: Data Sufficiency   [#permalink] 06 Aug 2019, 01:21
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Data Sufficiency

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