The geometric sequence $3, 6, 12, 24, 48$ has common ratio, $r$ as

1

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2

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3

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4

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Solution

The correct option is B $2$
Given geometric sequence is $3, 6, 12, 24, 48$ .
Common ratio $=$ $\frac{second number}{first number}$
$=$ $\frac{6}{3} = 2$
So, the common ratio, $r$ is $2$ .

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