JEE Math Practice Question
Let a, b and c be the 7th, 11th and 13th terms respectively of a non-constant A.P. If these are also three consecutive terms of a G.P., then $${a \over c}$$ equal to :
- A.2
- B.$${1 \over 2}$$
- C.$${7 \over 13}$$
- D.4
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