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The second, third and sixth terms of an ...

The second, third and sixth terms of an A.P are consecutive elements of a G.P. The common ratio of the G.P is

A

1)1

B

2)-1

C

3)3

D

4)-3

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The correct Answer is:
C
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  13. Let a and d are respectively first and the common difference of an A.P...

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