$- 3, - 15, - 75, - 375....$ is a geometric sequence. Find the common ratio.

3

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- 3

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5

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- 5

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Solution

The correct option is C $5$
Given sdequence is $- 3, - 15, - 75, - 375, . . . .$
Common ratio $=$ $\frac{second number}{first number}$
$=$ $\frac{- 15}{- 3} = 5$
So, the common ratio is $5$ .

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