`log_4 5, log_20 5, log_100 5` are in (A) A.P.(C) H.P.(B) G.P.(D) none of these

If x,y and zare in geometric progression. Then log_x10, log _y10 and log_z10 are (i)A.P (ii)H.P (iii)G.P (iv) none of these

If x,y and z are in geometric progression. Then log_(x)10,log_(y)10 and log_(z)10 are (i)A.P.P (ii)G.P (iii)H.P.(iv) none of these

If log_a x, log_b x, log_c x are in A.P then c^2=

If the square of differences of three numbers be in A.P., then their differences re in (A) A.P. (B) G.P. (C) H.P. (D) none of these

If the square of differences of three numbers be in A.P., then their differences re in (A) A.P. (B) G.P. (C) H.P. (D) none of these

If log a, log b, log c are in A.P. then a,b,c are

a, b, c are the length of sides BC, CA, AB respectively of DeltaABC satisfying log(1+(c )/(a))+log a-log b=log2 . a, b, c are in : i) A.P. ii) G.P. iii) H.P. iv) none

If a,b,c are in A.P ,then 3^(a),3^(b),3^(c) shall be in (A) A.P (B) G.P (C) H.P (D) None of these

There distinct positive numbers, a,b,c are in G.P. while log _(c) a, log _(b) c, log _(a) b are in A.P. with non-zero common difference d, then 2d=