JEE Math Practice Question
If the $${2^{nd}},{5^{th}}\,and\,{9^{th}}$$ terms of a non-constant A.P. are in G.P., then the common ratio of this G.P. is :
- A.1
- B.$${7 \over 4}$$
- C.$${8 \over 5}$$
- D.$${4 \over 3}$$
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