Question
Mathematics Question on Arithmetic Progression
If the pth, qth, rth terms of an A.P are in G.P, then the common ratio of the G.P is
A
q2pr
B
pr
C
p+qq+r
D
p−qq−r
Answer
p−qq−r
Explanation
Solution
The correct option is (D): p−qq−r
If the pth, qth, rth terms of an A.P are in G.P, then the common ratio of the G.P is
q2pr
pr
p+qq+r
p−qq−r
p−qq−r
The correct option is (D): p−qq−r