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If the pth, qth, and rth terms of an A.P. are in G.P., then the common ratio of the G.P. is `(p r)/(q^2)` b. `r/p` c. `(q+r)/(p+q)` d. `(q-r)/(p-q)`

A

A.P.

B

G.P.

C

H.P.

D

none of these

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The correct Answer is:
B
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OBJECTIVE RD SHARMA ENGLISH-SEQUENCES AND SERIES-Exercise
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  18. If a,b,c are in H.P., then the value of ((1)/(b)+(1)/(c)-(1)/(a))((1...

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