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If the pth, qth and rth terms of a G.P. ...

If the pth, qth and rth terms of a G.P. are again in G.P., then p, q, r are in

A

A.P.

B

G.P.

C

H.P.

D

none of these

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CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 9
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  14. The valud of [15^(2)+16^(2)+17^(2)+…+ 30^(2)] is-

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