If the sum of \( n \) terms of a G.P. (with common ratio \( r \) ) ...

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If the sum of \( n \) terms of a G.P. (with common ratio \( r \) ) beginning with the \( \mathrm{p}^{\text {th }} \) term is \( k \) times the sum of an equal number of terms of the same series beginning with the \( q^{\text {th }} \) term, then the value of \( k \) is:
(A) rp/q
(B) \( q / p \)
(C) \( r^{p-q} \)
(D) \( r p+q \)
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