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A, B and C are the points (a, p), (b,q) ...

A, B and C are the points (a, p), (b,q) and (c,r) respectively such that a, b and c are in AP and p,q and r in GP. If the points are collinear, then

A

`p=q=r`

B

`p^(2)=q`

C

`q^(2)=r`

D

`r^(2)=p`

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The correct Answer is:
A
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