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# In the sequence of positive numbers x1, x2, x3, . . .

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Intern
Joined: 16 May 2018
Posts: 25
In the sequence of positive numbers x1, x2, x3, . . .  [#permalink]

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03 Oct 2018, 17:28
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83% (00:39) correct 17% (02:43) wrong based on 6 sessions

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In the sequence of positive numbers $$x_1$$, $$x_2$$, $$x_3$$, . . . , what is the value of $$x_1$$ ?

(1) $$x_i = \frac{x_{i-1}}{2}$$ for all integers i > 1

(2) $$x_{5} = \frac{x_4}{x_4 + 1}$$
Math Expert
Joined: 02 Sep 2009
Posts: 50042
Re: In the sequence of positive numbers x1, x2, x3, . . .  [#permalink]

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03 Oct 2018, 21:02
In the sequence of positive numbers $$x_1$$, $$x_2$$, $$x_3$$, . . . , what is the value of $$x_1$$ ?

(1) $$x_i = \frac{x_{i-1}}{2}$$ for all integers i > 1

(2) $$x_{5} = \frac{x_4}{x_4 + 1}$$

Discussed here: https://gmatclub.com/forum/in-the-seque ... 96206.html
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Re: In the sequence of positive numbers x1, x2, x3, . . . &nbs [#permalink] 03 Oct 2018, 21:02
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