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if a,b,c are in G.P. and 3a, 7b, 15c are first 3 term of A.P. Also the common ratio of G.P. `in(0,(1)/(2))` then the 4th term of A.P isA. `(3)/(2)a`B. `(7)/(2)a`C. `(5)/(2)a`D. `a` |
Answer» Correct Answer - D |
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