Question:medium

If the nth term of the geometric progression, $5, -\frac{5}{2}, \frac{5}{4}, -\frac{5}{8}, \ldots$ is $\frac{5}{1024}$, then the value of n is

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For GP, $T_n = ar^{n-1}$. Sign depends on whether $n-1$ is even/odd.

Updated On: Apr 8, 2026

$11$
$10$
$9$
$4$

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The Correct Option is A

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If the nth term of the geometric progression, $5, -\frac{5}{2}, \frac{5}{4}, -\frac{5}{8}, \ldots$ is $\frac{5}{1024}$, then the value of n is

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The Correct Option is A

Solution and Explanation

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