1.

If log a, log b, log c are in A.P., then a, b, c are in (a) A.P. (b) G.P. (c) H.P. (d) None of these 

Answer»

Correct option (b) G.P

Explanation:

2log b = log a+ log c or log b2 = log ac or b2 = ac, so a, b, c are in GP



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