If 3rd, 8th and 13th terms of a GP are p, q and r respectively, then which one of the following is correct?

If 3rd, 8th and 13th terms of a GP are p, q and r respectively, then w

1.	If 3rd, 8th and 13th terms of a GP are p, q and r respectively, then which one of the following is correct?
A.	q2 = pr
B.	r2 = pq
C.	pqr = 1
D.	2q = p + r
Answer» B. r2 = pq

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If 3rd, 8th and 13th terms of a GP are p, q and r respectively, then which one of the following is correct?
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If 3rd, 8th and 13th terms of a GP are p, q and r respectively, then which one of the following is correct?

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